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Finding the Third Proportional to 11,906 and 18,843

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Solution

The third proportional to 11,906 and 18,843 is: 29,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906 : 18,843 = 18,843 : x
  2. Step 2: Convert to fraction form
    11,906/18,843 = 18,843/x
  3. Step 3: Cross multiply
    11,906x = 18,843 × 18,843
  4. Step 4: Simplify right side
    11,906x = 355,058,649
  5. Step 5: Solve for x
    x = 355,058,649/11,906
  6. Step 6: Final answer
    x = 29,821.83

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.