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# Find the Mean Proportion of the Following : - ICSE Class 10 - Mathematics

#### Question

Find the mean proportion of the following :

ab3 and a3

#### Solution

Let x be the mean proportion

ab3 : x : : x : a3b

⇒ x × x = ab3 x a3

⇒  x2 = a4b4

⇒ x = sqrt ("a"^4"b"^4)

⇒ x = a2b2

The mean proportion is a2b2

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#### APPEARS IN

Frank Solution for Frank Class 10 Mathematics Part 2 (2016 to Current)
Chapter 9: Ratio and Proportion
Exercise 9.2 | Q: 4.3

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Solution Find the Mean Proportion of the Following : Concept: Proportions.
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