Solution: Let the three numbers be $a / r, a, ar$ According to the question $\mathrm{a} / \mathrm{r}+\mathrm{a}+\mathrm{ar}=39 / 10 \ldots$ eq. (1) $\mathrm{a} / \mathrm{r} \times \mathrm{a} \times...

Solution: Let the three numbers be $a/r$, $a$, $ar$ According to the question $\mathrm{a} / \mathrm{r} \times \mathrm{a} \times \mathrm{ar}=125 \ldots$ eq.(1) From eq.(1) we obtain,...

Solution: Let the three numbers be $a/r$, $a$, $ar$ According to the question $\mathrm{a} / \mathrm{r}+\mathrm{a}+\mathrm{ar}=13 / 12 \ldots$ eq. (1) $\mathrm{a} / \mathrm{r} \times \mathrm{a}...

Solution: Let the three numbers be $\mathrm{a} / \mathrm{r}, \mathrm{a}$, $ar$ According to the question, $\mathrm{a} / \mathrm{r}+\mathrm{a}+\mathrm{ar}=38 \ldots$ eq.(1) $\mathrm{a} / \mathrm{r}...

Solution: According to the question $\mathrm{a} / \mathrm{r}+\mathrm{a}+\mathrm{ar}=65 \ldots$ equation (1) $a / r \times a \times a r=3375 \ldots$ equation (2) From eq.(2) we obtain,...