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Finding the Third Proportional to 12,276 and 17,286

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Solution

The third proportional to 12,276 and 17,286 is: 24,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276 : 17,286 = 17,286 : x
  2. Step 2: Convert to fraction form
    12,276/17,286 = 17,286/x
  3. Step 3: Cross multiply
    12,276x = 17,286 × 17,286
  4. Step 4: Simplify right side
    12,276x = 298,805,796
  5. Step 5: Solve for x
    x = 298,805,796/12,276
  6. Step 6: Final answer
    x = 24,340.65

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.