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Finding the Third Proportional to 6,285 and 12,387

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Solution

The third proportional to 6,285 and 12,387 is: 24,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285 : 12,387 = 12,387 : x
  2. Step 2: Convert to fraction form
    6,285/12,387 = 12,387/x
  3. Step 3: Cross multiply
    6,285x = 12,387 × 12,387
  4. Step 4: Simplify right side
    6,285x = 153,437,769
  5. Step 5: Solve for x
    x = 153,437,769/6,285
  6. Step 6: Final answer
    x = 24,413.33

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.