$$log_{\sqrt{3}} \sqrt{27} = log_{\sqrt{3}} (3^3)^{\frac{1}{2}} = log_{\sqrt{3}} 3^{\frac{3}{2}} = log_{3^{\frac{1}{2}}} 3^{\frac{3}{2}} = \frac{\frac{3}{2}}{\frac{1}{2}} = 3$$
Ответ: 3