Home / 20,220-27,425

Finding the Third Proportional to 20,220 and 27,425

Calculator

Solution

The third proportional to 20,220 and 27,425 is: 37,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220 : 27,425 = 27,425 : x
  2. Step 2: Convert to fraction form
    20,220/27,425 = 27,425/x
  3. Step 3: Cross multiply
    20,220x = 27,425 × 27,425
  4. Step 4: Simplify right side
    20,220x = 752,130,625
  5. Step 5: Solve for x
    x = 752,130,625/20,220
  6. Step 6: Final answer
    x = 37,197.36

Related Problems

Find third proportional to 10,110 and 13,712.50
Half scale
Find third proportional to 40,440 and 54,850
Double scale
Find third proportional to 20,222 and 27,428
Similar ratio
Find third proportional to 30,330 and 41,137.50
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.