The nth term of an arithmetic sequence is
,
Where
= First term of the sequence and d = common difference.
The sequence three arithmetic means between 44 and 92.
\The sequence is
, then
.
(Substitute
)
(Substitute
)
(Subtract:
)
Subtract 44 from each side.
\
(Subtract:
)
Divide each side by 4.
\
d = 12 (Divide:
)






The arithmetic means are 56, 68 and 80.