Home / 20,428-32,775

Finding the Third Proportional to 20,428 and 32,775

Calculator

Solution

The third proportional to 20,428 and 32,775 is: 52,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,428 : 32,775 = 32,775 : x
  2. Step 2: Convert to fraction form
    20,428/32,775 = 32,775/x
  3. Step 3: Cross multiply
    20,428x = 32,775 × 32,775
  4. Step 4: Simplify right side
    20,428x = 1,074,200,625
  5. Step 5: Solve for x
    x = 1,074,200,625/20,428
  6. Step 6: Final answer
    x = 52,584.72

Related Problems

Find third proportional to 10,214 and 16,387.50
Half scale
Find third proportional to 40,856 and 65,550
Double scale
Find third proportional to 20,430 and 32,778
Similar ratio
Find third proportional to 30,642 and 49,162.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.