Home / 555,423-840,924

Finding the Third Proportional to 555,423 and 840,924

Calculator

Solution

The third proportional to 555,423 and 840,924 is: 1,273,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,423 : 840,924 = 840,924 : x
  2. Step 2: Convert to fraction form
    555,423/840,924 = 840,924/x
  3. Step 3: Cross multiply
    555,423x = 840,924 × 840,924
  4. Step 4: Simplify right side
    555,423x = 707,153,173,776
  5. Step 5: Solve for x
    x = 707,153,173,776/555,423
  6. Step 6: Final answer
    x = 1,273,179.49

Related Problems

Find third proportional to 277,711.50 and 420,462
Half scale
Find third proportional to 1,110,846 and 1,681,848
Double scale
Find third proportional to 555,425 and 840,927
Similar ratio
Find third proportional to 833,134.50 and 1,261,386
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.