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Find 2 numbers such that their mean proportional is 25 and their third proportional is 25.

A5 and 5

B5 and 25

C25 and 125

D25 and 25

Answer:

D. 25 and 25

Read Explanation:

Solution: Formula used: If a , b and c are in proportion then we can say b2 = ac Calculation: Among the given options the mean proportional of 25 and 25 is ⇒ √25 × 25 = 25 The third proportional of 25 and 25 is ⇒ 25 × 25 / 25 = 25 ∴ The correct option is 4


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