Question

find the 3rd proportional between 12 and 24​

Answer 1

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Answer 2

Answer:

Third proportional = 48

Step-by-step explanation:

“The third proportion to a and b is defined as the number x such that a,b,x are in a geometric progression.”

Here a = 12, b = 24 and ‘c’ is to be found.

⇒ a : b = b : c

⇒ 12 / 24 = 24 / c  

⇒ c = 24 × 24 / 12  

⇒ c = 48

∴ The 3rd proportional between 12 and 24​ is 48