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# Find the Third Proportion to the Following : - ICSE Class 10 - Mathematics

#### Question

Find the third proportion to the following :

9/25 and 18/25

#### Solution

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

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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: 3.4

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Solution Find the Third Proportion to the Following : Concept: Proportions.
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