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Finding the Third Proportional to 6,291 and 13,227

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Solution

The third proportional to 6,291 and 13,227 is: 27,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291 : 13,227 = 13,227 : x
  2. Step 2: Convert to fraction form
    6,291/13,227 = 13,227/x
  3. Step 3: Cross multiply
    6,291x = 13,227 × 13,227
  4. Step 4: Simplify right side
    6,291x = 174,953,529
  5. Step 5: Solve for x
    x = 174,953,529/6,291
  6. Step 6: Final answer
    x = 27,810.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.