Home / 54,261-81,336

Finding the Third Proportional to 54,261 and 81,336

Calculator

Solution

The third proportional to 54,261 and 81,336 is: 121,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261 : 81,336 = 81,336 : x
  2. Step 2: Convert to fraction form
    54,261/81,336 = 81,336/x
  3. Step 3: Cross multiply
    54,261x = 81,336 × 81,336
  4. Step 4: Simplify right side
    54,261x = 6,615,544,896
  5. Step 5: Solve for x
    x = 6,615,544,896/54,261
  6. Step 6: Final answer
    x = 121,920.81

Related Problems

Find third proportional to 27,130.50 and 40,668
Half scale
Find third proportional to 108,522 and 162,672
Double scale
Find third proportional to 54,263 and 81,339
Similar ratio
Find third proportional to 81,391.50 and 122,004
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.