Home / 126,180-278,604

Finding the Third Proportional to 126,180 and 278,604

Calculator

Solution

The third proportional to 126,180 and 278,604 is: 615,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,180 : 278,604 = 278,604 : x
  2. Step 2: Convert to fraction form
    126,180/278,604 = 278,604/x
  3. Step 3: Cross multiply
    126,180x = 278,604 × 278,604
  4. Step 4: Simplify right side
    126,180x = 77,620,188,816
  5. Step 5: Solve for x
    x = 77,620,188,816/126,180
  6. Step 6: Final answer
    x = 615,154.45

Related Problems

Find third proportional to 63,090 and 139,302
Half scale
Find third proportional to 252,360 and 557,208
Double scale
Find third proportional to 126,182 and 278,608
Similar ratio
Find third proportional to 189,270 and 417,906
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.