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Finding the Third Proportional to 3,100 and 4,794

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Solution

The third proportional to 3,100 and 4,794 is: 7,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100 : 4,794 = 4,794 : x
  2. Step 2: Convert to fraction form
    3,100/4,794 = 4,794/x
  3. Step 3: Cross multiply
    3,100x = 4,794 × 4,794
  4. Step 4: Simplify right side
    3,100x = 22,982,436
  5. Step 5: Solve for x
    x = 22,982,436/3,100
  6. Step 6: Final answer
    x = 7,413.69

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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.