Home / 21,872-29,324

Finding the Third Proportional to 21,872 and 29,324

Calculator

Solution

The third proportional to 21,872 and 29,324 is: 39,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872 : 29,324 = 29,324 : x
  2. Step 2: Convert to fraction form
    21,872/29,324 = 29,324/x
  3. Step 3: Cross multiply
    21,872x = 29,324 × 29,324
  4. Step 4: Simplify right side
    21,872x = 859,896,976
  5. Step 5: Solve for x
    x = 859,896,976/21,872
  6. Step 6: Final answer
    x = 39,314.97

Related Problems

Find third proportional to 10,936 and 14,662
Half scale
Find third proportional to 43,744 and 58,648
Double scale
Find third proportional to 21,874 and 29,327
Similar ratio
Find third proportional to 32,808 and 43,986
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.