Home / 56,724-121,872

Finding the Third Proportional to 56,724 and 121,872

Calculator

Solution

The third proportional to 56,724 and 121,872 is: 261,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724 : 121,872 = 121,872 : x
  2. Step 2: Convert to fraction form
    56,724/121,872 = 121,872/x
  3. Step 3: Cross multiply
    56,724x = 121,872 × 121,872
  4. Step 4: Simplify right side
    56,724x = 14,852,784,384
  5. Step 5: Solve for x
    x = 14,852,784,384/56,724
  6. Step 6: Final answer
    x = 261,843.04

Related Problems

Find third proportional to 28,362 and 60,936
Half scale
Find third proportional to 113,448 and 243,744
Double scale
Find third proportional to 56,726 and 121,876
Similar ratio
Find third proportional to 85,086 and 182,808
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.