Home / 138,754-206,595

Finding the Third Proportional to 138,754 and 206,595

Calculator

Solution

The third proportional to 138,754 and 206,595 is: 307,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,754 : 206,595 = 206,595 : x
  2. Step 2: Convert to fraction form
    138,754/206,595 = 206,595/x
  3. Step 3: Cross multiply
    138,754x = 206,595 × 206,595
  4. Step 4: Simplify right side
    138,754x = 42,681,494,025
  5. Step 5: Solve for x
    x = 42,681,494,025/138,754
  6. Step 6: Final answer
    x = 307,605.50

Related Problems

Find third proportional to 69,377 and 103,297.50
Half scale
Find third proportional to 277,508 and 413,190
Double scale
Find third proportional to 138,756 and 206,598
Similar ratio
Find third proportional to 208,131 and 309,892.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.