Home / 412,932-555,731

Finding the Third Proportional to 412,932 and 555,731

Calculator

Solution

The third proportional to 412,932 and 555,731 is: 747,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,932 : 555,731 = 555,731 : x
  2. Step 2: Convert to fraction form
    412,932/555,731 = 555,731/x
  3. Step 3: Cross multiply
    412,932x = 555,731 × 555,731
  4. Step 4: Simplify right side
    412,932x = 308,836,944,361
  5. Step 5: Solve for x
    x = 308,836,944,361/412,932
  6. Step 6: Final answer
    x = 747,912.35

Related Problems

Find third proportional to 206,466 and 277,865.50
Half scale
Find third proportional to 825,864 and 1,111,462
Double scale
Find third proportional to 412,934 and 555,734
Similar ratio
Find third proportional to 619,398 and 833,596.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.