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Finding the Third Proportional to 15,230 and 17,486

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Solution

The third proportional to 15,230 and 17,486 is: 20,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230 : 17,486 = 17,486 : x
  2. Step 2: Convert to fraction form
    15,230/17,486 = 17,486/x
  3. Step 3: Cross multiply
    15,230x = 17,486 × 17,486
  4. Step 4: Simplify right side
    15,230x = 305,760,196
  5. Step 5: Solve for x
    x = 305,760,196/15,230
  6. Step 6: Final answer
    x = 20,076.18

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.