Home / 131,709-279,091

Finding the Third Proportional to 131,709 and 279,091

Calculator

Solution

The third proportional to 131,709 and 279,091 is: 591,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,709 : 279,091 = 279,091 : x
  2. Step 2: Convert to fraction form
    131,709/279,091 = 279,091/x
  3. Step 3: Cross multiply
    131,709x = 279,091 × 279,091
  4. Step 4: Simplify right side
    131,709x = 77,891,786,281
  5. Step 5: Solve for x
    x = 77,891,786,281/131,709
  6. Step 6: Final answer
    x = 591,393.04

Related Problems

Find third proportional to 65,854.50 and 139,545.50
Half scale
Find third proportional to 263,418 and 558,182
Double scale
Find third proportional to 131,711 and 279,095
Similar ratio
Find third proportional to 197,563.50 and 418,636.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.