Home / 20,134-31,425

Finding the Third Proportional to 20,134 and 31,425

Calculator

Solution

The third proportional to 20,134 and 31,425 is: 49,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134 : 31,425 = 31,425 : x
  2. Step 2: Convert to fraction form
    20,134/31,425 = 31,425/x
  3. Step 3: Cross multiply
    20,134x = 31,425 × 31,425
  4. Step 4: Simplify right side
    20,134x = 987,530,625
  5. Step 5: Solve for x
    x = 987,530,625/20,134
  6. Step 6: Final answer
    x = 49,047.91

Related Problems

Find third proportional to 10,067 and 15,712.50
Half scale
Find third proportional to 40,268 and 62,850
Double scale
Find third proportional to 20,136 and 31,428
Similar ratio
Find third proportional to 30,201 and 47,137.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.