Finding the Third Proportional to 15.35 and 33.12

Step by Step Solution

1. Step 1: Write the proportion equation
   15.35 : 33.12 = 33.12 : x
2. Step 2: Convert to fraction form
   15.35/33.12 = 33.12/x
3. Step 3: Cross multiply
   15.35x = 33.12 × 33.12
4. Step 4: Simplify right side
   15.35x = 1,096.75
5. Step 5: Solve for x
   x = 1,096.75/15.35
6. Step 6: Final answer
   x = 71.47