Question

Q 1 Find the third term of the proportion whose first, second and fourth terms are 6, 15 and 25 respectively. I

With working and calculations

Answer 1

Answer:

6:15::10:25

Step-by-step explanation:

Let the third term be x.

6:15::x:25

Product of middle terms =15*x=15x

Product of outer terms=6*25=150

15x=150

x=150/15=10

x=10

So, the third term=10..

Answer 2

Let the third term be x,

Then,

6:15::x:25

Solution -:

Product of Mean = 6 × 25

= 150

Product of Extremes = Product of Mean

10 will be the answer

as 15 × 10 = 150

So answer will be 10.

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