Finding the Third Proportional to 33.75 and 72.35

Step by Step Solution

1. Step 1: Write the proportion equation
   33.75 : 72.35 = 72.35 : x
2. Step 2: Convert to fraction form
   33.75/72.35 = 72.35/x
3. Step 3: Cross multiply
   33.75x = 72.35 × 72.35
4. Step 4: Simplify right side
   33.75x = 5,234.75
5. Step 5: Solve for x
   x = 5,234.75/33.75
6. Step 6: Final answer
   x = 155.10