Home / 126,867-278,843

Finding the Third Proportional to 126,867 and 278,843

Calculator

Solution

The third proportional to 126,867 and 278,843 is: 612,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,867 : 278,843 = 278,843 : x
  2. Step 2: Convert to fraction form
    126,867/278,843 = 278,843/x
  3. Step 3: Cross multiply
    126,867x = 278,843 × 278,843
  4. Step 4: Simplify right side
    126,867x = 77,753,418,649
  5. Step 5: Solve for x
    x = 77,753,418,649/126,867
  6. Step 6: Final answer
    x = 612,873.47

Related Problems

Find third proportional to 63,433.50 and 139,421.50
Half scale
Find third proportional to 253,734 and 557,686
Double scale
Find third proportional to 126,869 and 278,847
Similar ratio
Find third proportional to 190,300.50 and 418,264.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.