Home / 21,918-32,107

Finding the Third Proportional to 21,918 and 32,107

Calculator

Solution

The third proportional to 21,918 and 32,107 is: 47,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918 : 32,107 = 32,107 : x
  2. Step 2: Convert to fraction form
    21,918/32,107 = 32,107/x
  3. Step 3: Cross multiply
    21,918x = 32,107 × 32,107
  4. Step 4: Simplify right side
    21,918x = 1,030,859,449
  5. Step 5: Solve for x
    x = 1,030,859,449/21,918
  6. Step 6: Final answer
    x = 47,032.55

Related Problems

Find third proportional to 10,959 and 16,053.50
Half scale
Find third proportional to 43,836 and 64,214
Double scale
Find third proportional to 21,920 and 32,110
Similar ratio
Find third proportional to 32,877 and 48,160.50
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.