Home / 129,234-273,812

Finding the Third Proportional to 129,234 and 273,812

Calculator

Solution

The third proportional to 129,234 and 273,812 is: 580,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,234 : 273,812 = 273,812 : x
  2. Step 2: Convert to fraction form
    129,234/273,812 = 273,812/x
  3. Step 3: Cross multiply
    129,234x = 273,812 × 273,812
  4. Step 4: Simplify right side
    129,234x = 74,973,011,344
  5. Step 5: Solve for x
    x = 74,973,011,344/129,234
  6. Step 6: Final answer
    x = 580,133.80

Related Problems

Find third proportional to 64,617 and 136,906
Half scale
Find third proportional to 258,468 and 547,624
Double scale
Find third proportional to 129,236 and 273,816
Similar ratio
Find third proportional to 193,851 and 410,718
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.