Home / 255,538-383,920

Finding the Third Proportional to 255,538 and 383,920

Calculator

Solution

The third proportional to 255,538 and 383,920 is: 576,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,538 : 383,920 = 383,920 : x
  2. Step 2: Convert to fraction form
    255,538/383,920 = 383,920/x
  3. Step 3: Cross multiply
    255,538x = 383,920 × 383,920
  4. Step 4: Simplify right side
    255,538x = 147,394,566,400
  5. Step 5: Solve for x
    x = 147,394,566,400/255,538
  6. Step 6: Final answer
    x = 576,800.97

Related Problems

Find third proportional to 127,769 and 191,960
Half scale
Find third proportional to 511,076 and 767,840
Double scale
Find third proportional to 255,540 and 383,923
Similar ratio
Find third proportional to 383,307 and 575,880
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.