Home / 120,802-258,226

Finding the Third Proportional to 120,802 and 258,226

Calculator

Solution

The third proportional to 120,802 and 258,226 is: 551,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,802 : 258,226 = 258,226 : x
  2. Step 2: Convert to fraction form
    120,802/258,226 = 258,226/x
  3. Step 3: Cross multiply
    120,802x = 258,226 × 258,226
  4. Step 4: Simplify right side
    120,802x = 66,680,667,076
  5. Step 5: Solve for x
    x = 66,680,667,076/120,802
  6. Step 6: Final answer
    x = 551,983.14

Related Problems

Find third proportional to 60,401 and 129,113
Half scale
Find third proportional to 241,604 and 516,452
Double scale
Find third proportional to 120,804 and 258,230
Similar ratio
Find third proportional to 181,203 and 387,339
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.