Home / 5,418-7,959

Finding the Third Proportional to 5,418 and 7,959

Calculator

Solution

The third proportional to 5,418 and 7,959 is: 11,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418 : 7,959 = 7,959 : x
  2. Step 2: Convert to fraction form
    5,418/7,959 = 7,959/x
  3. Step 3: Cross multiply
    5,418x = 7,959 × 7,959
  4. Step 4: Simplify right side
    5,418x = 63,345,681
  5. Step 5: Solve for x
    x = 63,345,681/5,418
  6. Step 6: Final answer
    x = 11,691.71

Related Problems

Find third proportional to 2,709 and 3,979.50
Half scale
Find third proportional to 10,836 and 15,918
Double scale
Find third proportional to 5,420 and 7,962
Similar ratio
Find third proportional to 8,127 and 11,938.50
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.