Home / 312,511.50-442,491

Finding the Third Proportional to 312,511.50 and 442,491

Calculator

Solution

The third proportional to 312,511.50 and 442,491 is: 626,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,511.50 : 442,491 = 442,491 : x
  2. Step 2: Convert to fraction form
    312,511.50/442,491 = 442,491/x
  3. Step 3: Cross multiply
    312,511.50x = 442,491 × 442,491
  4. Step 4: Simplify right side
    312,511.50x = 195,798,285,081
  5. Step 5: Solve for x
    x = 195,798,285,081/312,511.50
  6. Step 6: Final answer
    x = 626,531.46

Related Problems

Find third proportional to 156,255.75 and 221,245.50
Half scale
Find third proportional to 625,023 and 884,982
Double scale
Find third proportional to 312,514 and 442,494
Similar ratio
Find third proportional to 468,767.25 and 663,736.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.