Home / 239,060-324,840

Finding the Third Proportional to 239,060 and 324,840

Calculator

Solution

The third proportional to 239,060 and 324,840 is: 441,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,060 : 324,840 = 324,840 : x
  2. Step 2: Convert to fraction form
    239,060/324,840 = 324,840/x
  3. Step 3: Cross multiply
    239,060x = 324,840 × 324,840
  4. Step 4: Simplify right side
    239,060x = 105,521,025,600
  5. Step 5: Solve for x
    x = 105,521,025,600/239,060
  6. Step 6: Final answer
    x = 441,399.76

Related Problems

Find third proportional to 119,530 and 162,420
Half scale
Find third proportional to 478,120 and 649,680
Double scale
Find third proportional to 239,062 and 324,843
Similar ratio
Find third proportional to 358,590 and 487,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.