After 3.5 hours, Pedro had travel 217 miles. If he travels at a constant speed, how far will he have traveled after 5 hours?
217 / 3.5 = 62 mph
5 * 62 = 310 miles
OR --
Use a proportion and solve for x.
3.5/217 = 5/x
3.5x = 1085
x = 310 miles