Home / 126,742-278,270

Finding the Third Proportional to 126,742 and 278,270

Calculator

Solution

The third proportional to 126,742 and 278,270 is: 610,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742 : 278,270 = 278,270 : x
  2. Step 2: Convert to fraction form
    126,742/278,270 = 278,270/x
  3. Step 3: Cross multiply
    126,742x = 278,270 × 278,270
  4. Step 4: Simplify right side
    126,742x = 77,434,192,900
  5. Step 5: Solve for x
    x = 77,434,192,900/126,742
  6. Step 6: Final answer
    x = 610,959.22

Related Problems

Find third proportional to 63,371 and 139,135
Half scale
Find third proportional to 253,484 and 556,540
Double scale
Find third proportional to 126,744 and 278,274
Similar ratio
Find third proportional to 190,113 and 417,405
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.