Finding the Third Proportional to 15.45 and 33.71

Step by Step Solution

1. Step 1: Write the proportion equation
   15.45 : 33.71 = 33.71 : x
2. Step 2: Convert to fraction form
   15.45/33.71 = 33.71/x
3. Step 3: Cross multiply
   15.45x = 33.71 × 33.71
4. Step 4: Simplify right side
   15.45x = 1,136.25
5. Step 5: Solve for x
   x = 1,136.25/15.45
6. Step 6: Final answer
   x = 73.55