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Finding the Third Proportional to 141,011.50 and 218,449.50

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Solution

The third proportional to 141,011.50 and 218,449.50 is: 338,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,011.50 : 218,449.50 = 218,449.50 : x
  2. Step 2: Convert to fraction form
    141,011.50/218,449.50 = 218,449.50/x
  3. Step 3: Cross multiply
    141,011.50x = 218,449.50 × 218,449.50
  4. Step 4: Simplify right side
    141,011.50x = 47,720,184,050.25
  5. Step 5: Solve for x
    x = 47,720,184,050.25/141,011.50
  6. Step 6: Final answer
    x = 338,413.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.