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Finding the Third Proportional to 3,792 and 6,284

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Solution

The third proportional to 3,792 and 6,284 is: 10,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792 : 6,284 = 6,284 : x
  2. Step 2: Convert to fraction form
    3,792/6,284 = 6,284/x
  3. Step 3: Cross multiply
    3,792x = 6,284 × 6,284
  4. Step 4: Simplify right side
    3,792x = 39,488,656
  5. Step 5: Solve for x
    x = 39,488,656/3,792
  6. Step 6: Final answer
    x = 10,413.68

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.