Divide both numbers in one of the ratios by their highest common factor. This will give you the scale factor of the bigger triangle to the smaller triangle.
I think is you just need to multiply that input number just to get the right answers
Example: 5 multiply by 5 equal 25
Try it
Answer:

Step-by-step explanation:
First, find the magnitude of the vector:

Then, divide each component of the vector by the magnitude to get the unit vector and rationalise:
