The obtained p value for a correlation analysis is .036, for a sample size is 50. If the analysis had been undertaken with n = 90, and the same sample correlation value was again observed, what would be the relative size of the p value for the second hypothesis test compared to the original p value obtained when n = 50?

I think: the larger sample size would be more statistically significant and thus have a p-value which was relatively smaller

But how can I explain why this is?

Any help would be most appreciated!