Question

Q10. The first,second and fourth terms in a proportion are 32,112,217 respectively. Find the third term.

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Answer 1

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The first,second and fourth terms in a proportion are 32, 112, 217 respectively. Find the third term.

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From the question,

a = 32

d = 217 - 112 = 105

So, third term i.e., a3 = a + (n - 1)d

a3 = 32 + (2)105

a3 = 32 + 210

a3 = 242

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Answer 2

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A3 = 242