Home / 40,908-54,972

Finding the Third Proportional to 40,908 and 54,972

Calculator

Solution

The third proportional to 40,908 and 54,972 is: 73,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908 : 54,972 = 54,972 : x
  2. Step 2: Convert to fraction form
    40,908/54,972 = 54,972/x
  3. Step 3: Cross multiply
    40,908x = 54,972 × 54,972
  4. Step 4: Simplify right side
    40,908x = 3,021,920,784
  5. Step 5: Solve for x
    x = 3,021,920,784/40,908
  6. Step 6: Final answer
    x = 73,871.14

Related Problems

Find third proportional to 20,454 and 27,486
Half scale
Find third proportional to 81,816 and 109,944
Double scale
Find third proportional to 40,910 and 54,975
Similar ratio
Find third proportional to 61,362 and 82,458
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.