Finding the Third Proportional to 13.51 and 35.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13.51 : 35.10 = 35.10 : x
2. Step 2: Convert to fraction form
   13.51/35.10 = 35.10/x
3. Step 3: Cross multiply
   13.51x = 35.10 × 35.10
4. Step 4: Simplify right side
   13.51x = 1,231.69
5. Step 5: Solve for x
   x = 1,231.69/13.51
6. Step 6: Final answer
   x = 91.16