Home / 220,552-478,437

Finding the Third Proportional to 220,552 and 478,437

Calculator

Solution

The third proportional to 220,552 and 478,437 is: 1,037,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,552 : 478,437 = 478,437 : x
  2. Step 2: Convert to fraction form
    220,552/478,437 = 478,437/x
  3. Step 3: Cross multiply
    220,552x = 478,437 × 478,437
  4. Step 4: Simplify right side
    220,552x = 228,901,962,969
  5. Step 5: Solve for x
    x = 228,901,962,969/220,552
  6. Step 6: Final answer
    x = 1,037,859.38

Related Problems

Find third proportional to 110,276 and 239,218.50
Half scale
Find third proportional to 441,104 and 956,874
Double scale
Find third proportional to 220,554 and 478,441
Similar ratio
Find third proportional to 330,828 and 717,655.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.