Home / 21,624-29,364

Finding the Third Proportional to 21,624 and 29,364

Calculator

Solution

The third proportional to 21,624 and 29,364 is: 39,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624 : 29,364 = 29,364 : x
  2. Step 2: Convert to fraction form
    21,624/29,364 = 29,364/x
  3. Step 3: Cross multiply
    21,624x = 29,364 × 29,364
  4. Step 4: Simplify right side
    21,624x = 862,244,496
  5. Step 5: Solve for x
    x = 862,244,496/21,624
  6. Step 6: Final answer
    x = 39,874.42

Related Problems

Find third proportional to 10,812 and 14,682
Half scale
Find third proportional to 43,248 and 58,728
Double scale
Find third proportional to 21,626 and 29,367
Similar ratio
Find third proportional to 32,436 and 44,046
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.