Question

8. Find the third proportional to 9 and 15​

Answer 1

Answer:

hey friend

let the number be x

9:12:x

12^2=9×x

144=9x

x=144÷9

x=16

hope it helps you:):):):)

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Step-by-step explanation:

Answer 2

Answer:

Let the third proportion to 9 & 12 be 'p'.

=> 9:15 = 15 :p

=> p = 15x15/9 = 16

ans : 16 .