Home / 51,786-80,268

Finding the Third Proportional to 51,786 and 80,268

Calculator

Solution

The third proportional to 51,786 and 80,268 is: 124,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786 : 80,268 = 80,268 : x
  2. Step 2: Convert to fraction form
    51,786/80,268 = 80,268/x
  3. Step 3: Cross multiply
    51,786x = 80,268 × 80,268
  4. Step 4: Simplify right side
    51,786x = 6,442,951,824
  5. Step 5: Solve for x
    x = 6,442,951,824/51,786
  6. Step 6: Final answer
    x = 124,414.94

Related Problems

Find third proportional to 25,893 and 40,134
Half scale
Find third proportional to 103,572 and 160,536
Double scale
Find third proportional to 51,788 and 80,271
Similar ratio
Find third proportional to 77,679 and 120,402
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.