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Question
Show that 48, 60, 75 are in continued proportion.
Solution
Consider 48 : 60 :: 60 : 75
Product of means = 60 × 60 = 3600
Product of extremes = 48 × 75 = 3600
So product of means = Product of extremes
Hence, 48, 60, 75 are in continued proportion.
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