English

Find the Third Proportional of 1.8 and 0.6 - Mathematics

Advertisements
Advertisements

Question

Find the third proportional of 1.8 and 0.6

Sum

Solution

Third proportional to 1.8 and 0.6

`= (0.6 xx 0.6)/1.8 = 0.36/1.8 = 36/180`

`= 1/5 = 0.2`

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 3.3

RELATED QUESTIONS

A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?


If 5x + 6y : 8x + 5y = 8 : 9, find x : y.


Convert the following percentage to fractions and ratio:
125%


A man's monthly inoome is Rs 5,000. He saves every month a minimum of R~ 800. Find the ratio of his: 

monthly savings to monthly expenses. 


Find the sub-duplicate ratio of the following :

x6 : y4 


Which of the Following Ratio is Greater ?

3 : 5 and 2 : 11 


A bag contains Rs 1800 in the form of Rs 1 , Rs 2 and Rs 5 ooins. The ratio of the number of the respective coins is 3: 7: 11. Find the total number of ooi ns in the bag.


Express the following ratios in its simplest form :
`3 1/2 : 7`


Express the following ratios in its simplest form :
x: 4x


Express the following ratios in its simplest form :
2.5 : 5


Find: The sub-triplicate ratio of 216: 343


Divide Rs 10,400 among A, B and C in the ratio `1/2:1/3:1/4`


Which of the following numbers are in continued proportion:

6, 12 and 24


Find the ratio of the first quantity to the second.

1 litre, 250 ml 


 If the angles of a triangle are in the ratio 2 : 3 : 4, find the angles.


The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.


In a year, Ravi earns Rs 360000 and paid Rs 24000 as income tax. Find the ratio of his income tax to income after paying income tax.


Samira sells newspapers at Janpath crossing daily. On a particular day, she had 312 newspapers out of which 216 are in English and remaining in Hindi. Find the ratio of the number of English newspapers to the number of Hindi newspapers.


Find the ratio of the following:

30 minutes to 45 minutes


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×