Home / 239,874-555,378

Finding the Third Proportional to 239,874 and 555,378

Calculator

Solution

The third proportional to 239,874 and 555,378 is: 1,285,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,874 : 555,378 = 555,378 : x
  2. Step 2: Convert to fraction form
    239,874/555,378 = 555,378/x
  3. Step 3: Cross multiply
    239,874x = 555,378 × 555,378
  4. Step 4: Simplify right side
    239,874x = 308,444,722,884
  5. Step 5: Solve for x
    x = 308,444,722,884/239,874
  6. Step 6: Final answer
    x = 1,285,861.42

Related Problems

Find third proportional to 119,937 and 277,689
Half scale
Find third proportional to 479,748 and 1,110,756
Double scale
Find third proportional to 239,876 and 555,383
Similar ratio
Find third proportional to 359,811 and 833,067
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.