Home / 60,330-129,866

Finding the Third Proportional to 60,330 and 129,866

Calculator

Solution

The third proportional to 60,330 and 129,866 is: 279,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,330 : 129,866 = 129,866 : x
  2. Step 2: Convert to fraction form
    60,330/129,866 = 129,866/x
  3. Step 3: Cross multiply
    60,330x = 129,866 × 129,866
  4. Step 4: Simplify right side
    60,330x = 16,865,177,956
  5. Step 5: Solve for x
    x = 16,865,177,956/60,330
  6. Step 6: Final answer
    x = 279,548.78

Related Problems

Find third proportional to 30,165 and 64,933
Half scale
Find third proportional to 120,660 and 259,732
Double scale
Find third proportional to 60,332 and 129,870
Similar ratio
Find third proportional to 90,495 and 194,799
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.