Home / 270,732-396,863

Finding the Third Proportional to 270,732 and 396,863

Calculator

Solution

The third proportional to 270,732 and 396,863 is: 581,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,732 : 396,863 = 396,863 : x
  2. Step 2: Convert to fraction form
    270,732/396,863 = 396,863/x
  3. Step 3: Cross multiply
    270,732x = 396,863 × 396,863
  4. Step 4: Simplify right side
    270,732x = 157,500,240,769
  5. Step 5: Solve for x
    x = 157,500,240,769/270,732
  6. Step 6: Final answer
    x = 581,757.02

Related Problems

Find third proportional to 135,366 and 198,431.50
Half scale
Find third proportional to 541,464 and 793,726
Double scale
Find third proportional to 270,734 and 396,866
Similar ratio
Find third proportional to 406,098 and 595,294.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.