Home / 220,902-344,478

Finding the Third Proportional to 220,902 and 344,478

Calculator

Solution

The third proportional to 220,902 and 344,478 is: 537,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,902 : 344,478 = 344,478 : x
  2. Step 2: Convert to fraction form
    220,902/344,478 = 344,478/x
  3. Step 3: Cross multiply
    220,902x = 344,478 × 344,478
  4. Step 4: Simplify right side
    220,902x = 118,665,092,484
  5. Step 5: Solve for x
    x = 118,665,092,484/220,902
  6. Step 6: Final answer
    x = 537,184.33

Related Problems

Find third proportional to 110,451 and 172,239
Half scale
Find third proportional to 441,804 and 688,956
Double scale
Find third proportional to 220,904 and 344,481
Similar ratio
Find third proportional to 331,353 and 516,717
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.