Determine first the common difference (d) of the arithmetic sequence using the given terms, d = (a17 - a6) / (17 - 6) d = (113 - 36) / 11 = 7 Using the 17th term, 113, we get the value of a23 by, a23 = a17 + (23 - 17) x 7 a23 = 113 + 42 = 155 Thus, the 23rd term is 155.
