Home / 150,531.38-221,638.78

Finding the Third Proportional to 150,531.38 and 221,638.78

Calculator

Solution

The third proportional to 150,531.38 and 221,638.78 is: 326,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,531.38 : 221,638.78 = 221,638.78 : x
  2. Step 2: Convert to fraction form
    150,531.38/221,638.78 = 221,638.78/x
  3. Step 3: Cross multiply
    150,531.38x = 221,638.78 × 221,638.78
  4. Step 4: Simplify right side
    150,531.38x = 49,123,749,353.99
  5. Step 5: Solve for x
    x = 49,123,749,353.99/150,531.38
  6. Step 6: Final answer
    x = 326,335.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.