Home / 126,976-278,528

Finding the Third Proportional to 126,976 and 278,528

Calculator

Solution

The third proportional to 126,976 and 278,528 is: 610,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976 : 278,528 = 278,528 : x
  2. Step 2: Convert to fraction form
    126,976/278,528 = 278,528/x
  3. Step 3: Cross multiply
    126,976x = 278,528 × 278,528
  4. Step 4: Simplify right side
    126,976x = 77,577,846,784
  5. Step 5: Solve for x
    x = 77,577,846,784/126,976
  6. Step 6: Final answer
    x = 610,964.65

Related Problems

Find third proportional to 63,488 and 139,264
Half scale
Find third proportional to 253,952 and 557,056
Double scale
Find third proportional to 126,978 and 278,532
Similar ratio
Find third proportional to 190,464 and 417,792
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.