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Finding the Third Proportional to 7,987 and 17,353

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Solution

The third proportional to 7,987 and 17,353 is: 37,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987 : 17,353 = 17,353 : x
  2. Step 2: Convert to fraction form
    7,987/17,353 = 17,353/x
  3. Step 3: Cross multiply
    7,987x = 17,353 × 17,353
  4. Step 4: Simplify right side
    7,987x = 301,126,609
  5. Step 5: Solve for x
    x = 301,126,609/7,987
  6. Step 6: Final answer
    x = 37,702.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.