\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
In this proportional table,
\(\textcolor{colordef}{x}\) \(\textcolor{colordef}{2}\) \(\textcolor{colordef}{4}\) \(\textcolor{colordef}{6}\)
\(\textcolor{colorprop}{y}\) \(\textcolor{colorprop}{3}\) \(\textcolor{colorprop}{6}\) \(\textcolor{colorprop}{9}\)
calculate the coefficient of proportionality.