Question

Q24. If9, 15 and a are in continued proportion, find the value of a.
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Answer 1

Answer:

25

Step-by-step explanation:

$\frac{9}{15} = \frac{15}{a} \\ 9a = {15}^{2} \\ a = \frac{15 \times 15}{9} \\ a = 5 \times 5 \\ a = 25$