Advertisements
Advertisements
प्रश्न
Find the third proportion to the following :
`9/25` and `18/25`
उत्तर
Let x be the third proportion
`9/25 : 18/25 :: 18/25 : "x"`
`=> 9/25 xx "x" = 18/25 xx 18/25`
`= "x" = 18/25 xx 18/25 xx 25/9`
`= "x" = 36/25`
The third proportion is `36/25`
APPEARS IN
संबंधित प्रश्न
If a/b = c/d prove that each of the given ratio is equal to `(13a - 8c)/(13b - 8d)`
What quantity must be added to each term of the ratio a + b: a - b to make it equal to (a + b)2 : (a - b)2 ?
Verify the following:
39 : 65 : : 141 : 235
If the cost of 14 m of cloth is Rs 1890, find the cost of 6 m of cloth.
A labourer earns Rs 1980 in 12 days.
(i) How much does he earn in 7 days?
(ii) In how many days will he earn Rs 2640?
If a, b, c are in continued proportion, prove that: abc(a + b + c)3 = (ab + bc + ca)3
If a, b, c, d are in continued proportion, prove that: (a + d)(b + c) – (a + c)(b + d) = (b – c)2
12 : `square` = `square` : 4 = 8 : 16
7 Persons is to 49 Persons as 11 kg is to 88 kg
Find the missing number in the box in the proportions:
`16/36 = square/63 = 36/square = square/117`
