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Find the Mean Proportional Between: 17.5 and 0.007 - ICSE Class 10 - Mathematics

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Question

Find the mean proportional between :
17.5 and 0.007

Solution

Let the mean proportional between 17.5 and 0.007 be x.
⟹ 17.5, x and 0.007 are in continued proportion.
⟹ 17.5 : x = x : 0.007
⟹ x × x = 17.5 × 0.007
⟹ x2 = 0.1225
⟹ x = 0.35

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APPEARS IN

 Selina Solution for Selina ICSE Concise Mathematics for Class 10 (2018-2019) (2017 to Current)
Chapter 7: Ratio and Proportion (Including Properties and Uses)
Ex.7B | Q: 3.1

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Solution Find the Mean Proportional Between: 17.5 and 0.007 Concept: Proportions.
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