Home / 431,720-926,872

Finding the Third Proportional to 431,720 and 926,872

Calculator

Solution

The third proportional to 431,720 and 926,872 is: 1,989,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,720 : 926,872 = 926,872 : x
  2. Step 2: Convert to fraction form
    431,720/926,872 = 926,872/x
  3. Step 3: Cross multiply
    431,720x = 926,872 × 926,872
  4. Step 4: Simplify right side
    431,720x = 859,091,704,384
  5. Step 5: Solve for x
    x = 859,091,704,384/431,720
  6. Step 6: Final answer
    x = 1,989,927.97

Related Problems

Find third proportional to 215,860 and 463,436
Half scale
Find third proportional to 863,440 and 1,853,744
Double scale
Find third proportional to 431,722 and 926,876
Similar ratio
Find third proportional to 647,580 and 1,390,308
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.