Home / 218,722.78-337,413.09

Finding the Third Proportional to 218,722.78 and 337,413.09

Calculator

Solution

The third proportional to 218,722.78 and 337,413.09 is: 520,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,722.78 : 337,413.09 = 337,413.09 : x
  2. Step 2: Convert to fraction form
    218,722.78/337,413.09 = 337,413.09/x
  3. Step 3: Cross multiply
    218,722.78x = 337,413.09 × 337,413.09
  4. Step 4: Simplify right side
    218,722.78x = 113,847,595,833.95
  5. Step 5: Solve for x
    x = 113,847,595,833.95/218,722.78
  6. Step 6: Final answer
    x = 520,510.92

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.