This quick video tutorial below shows you two ways to resize motion graphic templates in Premiere Pro. When you get a .mogrt template, and the resolution doesn't fit the video's resolution, you can easily change the size of the template.
The two to resize motion graphic templates are:
check for available controls because some templates come with built-in controls
find Effects controls panel and use the "Scale" slider to adjust the size
Check out all the details in the video and find out how.