Home / 81,380-125,757

Finding the Third Proportional to 81,380 and 125,757

Calculator

Solution

The third proportional to 81,380 and 125,757 is: 194,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,380 : 125,757 = 125,757 : x
  2. Step 2: Convert to fraction form
    81,380/125,757 = 125,757/x
  3. Step 3: Cross multiply
    81,380x = 125,757 × 125,757
  4. Step 4: Simplify right side
    81,380x = 15,814,823,049
  5. Step 5: Solve for x
    x = 15,814,823,049/81,380
  6. Step 6: Final answer
    x = 194,333.04

Related Problems

Find third proportional to 40,690 and 62,878.50
Half scale
Find third proportional to 162,760 and 251,514
Double scale
Find third proportional to 81,382 and 125,760
Similar ratio
Find third proportional to 122,070 and 188,635.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.