Question

find the missing term in the proportion 36,45,----100​

Answer 1

Answer:

using general form of Ap

i.e an=a+(n_1)d

here an=100

&a=36

hence d=45_36=9

therefore,an=a+(n_1)d

100=36+(n_1)9

100=36+9n_9

100=36_9+9n

100=27+9n

100_27=9n

73=9n

n=73÷9