Home / 40,302-57,715

Finding the Third Proportional to 40,302 and 57,715

Calculator

Solution

The third proportional to 40,302 and 57,715 is: 82,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302 : 57,715 = 57,715 : x
  2. Step 2: Convert to fraction form
    40,302/57,715 = 57,715/x
  3. Step 3: Cross multiply
    40,302x = 57,715 × 57,715
  4. Step 4: Simplify right side
    40,302x = 3,331,021,225
  5. Step 5: Solve for x
    x = 3,331,021,225/40,302
  6. Step 6: Final answer
    x = 82,651.51

Related Problems

Find third proportional to 20,151 and 28,857.50
Half scale
Find third proportional to 80,604 and 115,430
Double scale
Find third proportional to 40,304 and 57,718
Similar ratio
Find third proportional to 60,453 and 86,572.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.