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Finding the Third Proportional to 12,665 and 27,275

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Solution

The third proportional to 12,665 and 27,275 is: 58,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665 : 27,275 = 27,275 : x
  2. Step 2: Convert to fraction form
    12,665/27,275 = 27,275/x
  3. Step 3: Cross multiply
    12,665x = 27,275 × 27,275
  4. Step 4: Simplify right side
    12,665x = 743,925,625
  5. Step 5: Solve for x
    x = 743,925,625/12,665
  6. Step 6: Final answer
    x = 58,738.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.