A right triangle has legs measuring 2.5 meters and 1.5 meters. The lengths of the legs of a second triangle are proportional to the lengths of the legs of the first triangle. Which could be the lengths of the legs of the second triangle? Select all that apply.
a 5 m and 4 m
b 6.25 m and 3.75 m
c 10 m and 3 m
d 4.5 m and 2.7 m
e 12.5 m and 10 m