Home / 21,728-32,511

Finding the Third Proportional to 21,728 and 32,511

Calculator

Solution

The third proportional to 21,728 and 32,511 is: 48,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728 : 32,511 = 32,511 : x
  2. Step 2: Convert to fraction form
    21,728/32,511 = 32,511/x
  3. Step 3: Cross multiply
    21,728x = 32,511 × 32,511
  4. Step 4: Simplify right side
    21,728x = 1,056,965,121
  5. Step 5: Solve for x
    x = 1,056,965,121/21,728
  6. Step 6: Final answer
    x = 48,645.30

Related Problems

Find third proportional to 10,864 and 16,255.50
Half scale
Find third proportional to 43,456 and 65,022
Double scale
Find third proportional to 21,730 and 32,514
Similar ratio
Find third proportional to 32,592 and 48,766.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.