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Question
Show that the following numbers are in continued proportion:
48, 60, 75
Sum
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Solution
48:60, 60:75
Product of means = 60 × 60 = 3600
Product of extremes = 48 × 75 = 3600
Product of means = Product of extremes
Hence, 48 : 60 :: 60 : 75 are in continued proportion.
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