Question 1177626
<pre>
FIRST               n
SECOND             2n
THIRD              n+2
PRODUCT             90
</pre>
{{{2n^2(n+2)=90}}}

-

{{{n^2(n+2)=45}}}

Try looking for factorizations.

{{{3*3*5=45}}}
{{{3^2(3+2)=45}}}


The numbers are 3, 5, 6.