Home / 131,860-209,644

Finding the Third Proportional to 131,860 and 209,644

Calculator

Solution

The third proportional to 131,860 and 209,644 is: 333,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,860 : 209,644 = 209,644 : x
  2. Step 2: Convert to fraction form
    131,860/209,644 = 209,644/x
  3. Step 3: Cross multiply
    131,860x = 209,644 × 209,644
  4. Step 4: Simplify right side
    131,860x = 43,950,606,736
  5. Step 5: Solve for x
    x = 43,950,606,736/131,860
  6. Step 6: Final answer
    x = 333,312.66

Related Problems

Find third proportional to 65,930 and 104,822
Half scale
Find third proportional to 263,720 and 419,288
Double scale
Find third proportional to 131,862 and 209,647
Similar ratio
Find third proportional to 197,790 and 314,466
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.