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Finding the Third Proportional to 11,728 and 27,692

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Solution

The third proportional to 11,728 and 27,692 is: 65,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728 : 27,692 = 27,692 : x
  2. Step 2: Convert to fraction form
    11,728/27,692 = 27,692/x
  3. Step 3: Cross multiply
    11,728x = 27,692 × 27,692
  4. Step 4: Simplify right side
    11,728x = 766,846,864
  5. Step 5: Solve for x
    x = 766,846,864/11,728
  6. Step 6: Final answer
    x = 65,385.99

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.