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Finding the Third Proportional to 11,710 and 17,866

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Solution

The third proportional to 11,710 and 17,866 is: 27,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710 : 17,866 = 17,866 : x
  2. Step 2: Convert to fraction form
    11,710/17,866 = 17,866/x
  3. Step 3: Cross multiply
    11,710x = 17,866 × 17,866
  4. Step 4: Simplify right side
    11,710x = 319,193,956
  5. Step 5: Solve for x
    x = 319,193,956/11,710
  6. Step 6: Final answer
    x = 27,258.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.