Home / 398,446-855,941

Finding the Third Proportional to 398,446 and 855,941

Calculator

Solution

The third proportional to 398,446 and 855,941 is: 1,838,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,446 : 855,941 = 855,941 : x
  2. Step 2: Convert to fraction form
    398,446/855,941 = 855,941/x
  3. Step 3: Cross multiply
    398,446x = 855,941 × 855,941
  4. Step 4: Simplify right side
    398,446x = 732,634,995,481
  5. Step 5: Solve for x
    x = 732,634,995,481/398,446
  6. Step 6: Final answer
    x = 1,838,730.96

Related Problems

Find third proportional to 199,223 and 427,970.50
Half scale
Find third proportional to 796,892 and 1,711,882
Double scale
Find third proportional to 398,448 and 855,945
Similar ratio
Find third proportional to 597,669 and 1,283,911.50
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.