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Finding the Third Proportional to 2,387 and 5,048

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Solution

The third proportional to 2,387 and 5,048 is: 10,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387 : 5,048 = 5,048 : x
  2. Step 2: Convert to fraction form
    2,387/5,048 = 5,048/x
  3. Step 3: Cross multiply
    2,387x = 5,048 × 5,048
  4. Step 4: Simplify right side
    2,387x = 25,482,304
  5. Step 5: Solve for x
    x = 25,482,304/2,387
  6. Step 6: Final answer
    x = 10,675.45

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.