Home / 103,561-221,876

Finding the Third Proportional to 103,561 and 221,876

Calculator

Solution

The third proportional to 103,561 and 221,876 is: 475,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,561 : 221,876 = 221,876 : x
  2. Step 2: Convert to fraction form
    103,561/221,876 = 221,876/x
  3. Step 3: Cross multiply
    103,561x = 221,876 × 221,876
  4. Step 4: Simplify right side
    103,561x = 49,228,959,376
  5. Step 5: Solve for x
    x = 49,228,959,376/103,561
  6. Step 6: Final answer
    x = 475,361.95

Related Problems

Find third proportional to 51,780.50 and 110,938
Half scale
Find third proportional to 207,122 and 443,752
Double scale
Find third proportional to 103,563 and 221,880
Similar ratio
Find third proportional to 155,341.50 and 332,814
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.