Home / 221,762-347,478

Finding the Third Proportional to 221,762 and 347,478

Calculator

Solution

The third proportional to 221,762 and 347,478 is: 544,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,762 : 347,478 = 347,478 : x
  2. Step 2: Convert to fraction form
    221,762/347,478 = 347,478/x
  3. Step 3: Cross multiply
    221,762x = 347,478 × 347,478
  4. Step 4: Simplify right side
    221,762x = 120,740,960,484
  5. Step 5: Solve for x
    x = 120,740,960,484/221,762
  6. Step 6: Final answer
    x = 544,461.90

Related Problems

Find third proportional to 110,881 and 173,739
Half scale
Find third proportional to 443,524 and 694,956
Double scale
Find third proportional to 221,764 and 347,481
Similar ratio
Find third proportional to 332,643 and 521,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.