Home / 54,648-81,972

Finding the Third Proportional to 54,648 and 81,972

Calculator

Solution

The third proportional to 54,648 and 81,972 is: 122,958

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,648 : 81,972 = 81,972 : x
  2. Step 2: Convert to fraction form
    54,648/81,972 = 81,972/x
  3. Step 3: Cross multiply
    54,648x = 81,972 × 81,972
  4. Step 4: Simplify right side
    54,648x = 6,719,408,784
  5. Step 5: Solve for x
    x = 6,719,408,784/54,648
  6. Step 6: Final answer
    x = 122,958

Related Problems

Find third proportional to 27,324 and 40,986
Half scale
Find third proportional to 109,296 and 163,944
Double scale
Find third proportional to 54,650 and 81,975
Similar ratio
Find third proportional to 81,972 and 122,958
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.