Home / 20,884-31,542

Finding the Third Proportional to 20,884 and 31,542

Calculator

Solution

The third proportional to 20,884 and 31,542 is: 47,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884 : 31,542 = 31,542 : x
  2. Step 2: Convert to fraction form
    20,884/31,542 = 31,542/x
  3. Step 3: Cross multiply
    20,884x = 31,542 × 31,542
  4. Step 4: Simplify right side
    20,884x = 994,897,764
  5. Step 5: Solve for x
    x = 994,897,764/20,884
  6. Step 6: Final answer
    x = 47,639.23

Related Problems

Find third proportional to 10,442 and 15,771
Half scale
Find third proportional to 41,768 and 63,084
Double scale
Find third proportional to 20,886 and 31,545
Similar ratio
Find third proportional to 31,326 and 47,313
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.