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Finding the Third Proportional to 5,515 and 11,497

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Solution

The third proportional to 5,515 and 11,497 is: 23,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515 : 11,497 = 11,497 : x
  2. Step 2: Convert to fraction form
    5,515/11,497 = 11,497/x
  3. Step 3: Cross multiply
    5,515x = 11,497 × 11,497
  4. Step 4: Simplify right side
    5,515x = 132,181,009
  5. Step 5: Solve for x
    x = 132,181,009/5,515
  6. Step 6: Final answer
    x = 23,967.54

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.