Home / 185,718-278,580

Finding the Third Proportional to 185,718 and 278,580

Calculator

Solution

The third proportional to 185,718 and 278,580 is: 417,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,718 : 278,580 = 278,580 : x
  2. Step 2: Convert to fraction form
    185,718/278,580 = 278,580/x
  3. Step 3: Cross multiply
    185,718x = 278,580 × 278,580
  4. Step 4: Simplify right side
    185,718x = 77,606,816,400
  5. Step 5: Solve for x
    x = 77,606,816,400/185,718
  6. Step 6: Final answer
    x = 417,874.50

Related Problems

Find third proportional to 92,859 and 139,290
Half scale
Find third proportional to 371,436 and 557,160
Double scale
Find third proportional to 185,720 and 278,583
Similar ratio
Find third proportional to 278,577 and 417,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.