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Finding the Third Proportional to 11,125 and 15,017

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Solution

The third proportional to 11,125 and 15,017 is: 20,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125 : 15,017 = 15,017 : x
  2. Step 2: Convert to fraction form
    11,125/15,017 = 15,017/x
  3. Step 3: Cross multiply
    11,125x = 15,017 × 15,017
  4. Step 4: Simplify right side
    11,125x = 225,510,289
  5. Step 5: Solve for x
    x = 225,510,289/11,125
  6. Step 6: Final answer
    x = 20,270.59

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.