C=(a+b)/2 C=middle term 39=(32+b)/2 2[39=(32+b)/2]2 78=32+b b=78-32 b=46 46 is the other term
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46 is the other term because you must find first the common difference which is 7 ,i found it by subtracting two present number and that is 39-32 =7 and after you found its common difference next you must add the common difference (7) to the previous term (39) that's why i got 46 :)
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