Home / 54,874-81,986

Finding the Third Proportional to 54,874 and 81,986

Calculator

Solution

The third proportional to 54,874 and 81,986 is: 122,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874 : 81,986 = 81,986 : x
  2. Step 2: Convert to fraction form
    54,874/81,986 = 81,986/x
  3. Step 3: Cross multiply
    54,874x = 81,986 × 81,986
  4. Step 4: Simplify right side
    54,874x = 6,721,704,196
  5. Step 5: Solve for x
    x = 6,721,704,196/54,874
  6. Step 6: Final answer
    x = 122,493.42

Related Problems

Find third proportional to 27,437 and 40,993
Half scale
Find third proportional to 109,748 and 163,972
Double scale
Find third proportional to 54,876 and 81,989
Similar ratio
Find third proportional to 82,311 and 122,979
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.