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Finding the Third Proportional to 12,834 and 18,747

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Solution

The third proportional to 12,834 and 18,747 is: 27,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834 : 18,747 = 18,747 : x
  2. Step 2: Convert to fraction form
    12,834/18,747 = 18,747/x
  3. Step 3: Cross multiply
    12,834x = 18,747 × 18,747
  4. Step 4: Simplify right side
    12,834x = 351,450,009
  5. Step 5: Solve for x
    x = 351,450,009/12,834
  6. Step 6: Final answer
    x = 27,384.29

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.