Home / 39,508-57,702

Finding the Third Proportional to 39,508 and 57,702

Calculator

Solution

The third proportional to 39,508 and 57,702 is: 84,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,508 : 57,702 = 57,702 : x
  2. Step 2: Convert to fraction form
    39,508/57,702 = 57,702/x
  3. Step 3: Cross multiply
    39,508x = 57,702 × 57,702
  4. Step 4: Simplify right side
    39,508x = 3,329,520,804
  5. Step 5: Solve for x
    x = 3,329,520,804/39,508
  6. Step 6: Final answer
    x = 84,274.60

Related Problems

Find third proportional to 19,754 and 28,851
Half scale
Find third proportional to 79,016 and 115,404
Double scale
Find third proportional to 39,510 and 57,705
Similar ratio
Find third proportional to 59,262 and 86,553
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.