If first, second and fourth term of a proportion are 6, 18 and 25 respectively, find the third term

If first, second and fourth term of a proportion are 6, 18 and 25 respectively, find the third term. Please answer.
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Let third term is =c, given that 6,18 , c , 25 in proportion so producy of extreme=product of mean - 6* 25 = c* 18 And c= 6*25/18 ; C =150/18=25/3
by Level 1 User (260 points)

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