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Finding the Third Proportional to 219,287.75 and 472,413.25

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Solution

The third proportional to 219,287.75 and 472,413.25 is: 1,017,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,287.75 : 472,413.25 = 472,413.25 : x
  2. Step 2: Convert to fraction form
    219,287.75/472,413.25 = 472,413.25/x
  3. Step 3: Cross multiply
    219,287.75x = 472,413.25 × 472,413.25
  4. Step 4: Simplify right side
    219,287.75x = 223,174,278,775.56
  5. Step 5: Solve for x
    x = 223,174,278,775.56/219,287.75
  6. Step 6: Final answer
    x = 1,017,723.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.