Home / 20,124-27,742

Finding the Third Proportional to 20,124 and 27,742

Calculator

Solution

The third proportional to 20,124 and 27,742 is: 38,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124 : 27,742 = 27,742 : x
  2. Step 2: Convert to fraction form
    20,124/27,742 = 27,742/x
  3. Step 3: Cross multiply
    20,124x = 27,742 × 27,742
  4. Step 4: Simplify right side
    20,124x = 769,618,564
  5. Step 5: Solve for x
    x = 769,618,564/20,124
  6. Step 6: Final answer
    x = 38,243.82

Related Problems

Find third proportional to 10,062 and 13,871
Half scale
Find third proportional to 40,248 and 55,484
Double scale
Find third proportional to 20,126 and 27,745
Similar ratio
Find third proportional to 30,186 and 41,613
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.