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Finding the Third Proportional to 66,463.50 and 146,413.50

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Solution

The third proportional to 66,463.50 and 146,413.50 is: 322,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.50 : 146,413.50 = 146,413.50 : x
  2. Step 2: Convert to fraction form
    66,463.50/146,413.50 = 146,413.50/x
  3. Step 3: Cross multiply
    66,463.50x = 146,413.50 × 146,413.50
  4. Step 4: Simplify right side
    66,463.50x = 21,436,912,982.25
  5. Step 5: Solve for x
    x = 21,436,912,982.25/66,463.50
  6. Step 6: Final answer
    x = 322,536.63

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.