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Finding the Third Proportional to 1,679.06 and 3,413.81

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Solution

The third proportional to 1,679.06 and 3,413.81 is: 6,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.06 : 3,413.81 = 3,413.81 : x
  2. Step 2: Convert to fraction form
    1,679.06/3,413.81 = 3,413.81/x
  3. Step 3: Cross multiply
    1,679.06x = 3,413.81 × 3,413.81
  4. Step 4: Simplify right side
    1,679.06x = 11,654,115.79
  5. Step 5: Solve for x
    x = 11,654,115.79/1,679.06
  6. Step 6: Final answer
    x = 6,940.85

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.