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Finding the Third Proportional to 11,230 and 17,509

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Solution

The third proportional to 11,230 and 17,509 is: 27,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230 : 17,509 = 17,509 : x
  2. Step 2: Convert to fraction form
    11,230/17,509 = 17,509/x
  3. Step 3: Cross multiply
    11,230x = 17,509 × 17,509
  4. Step 4: Simplify right side
    11,230x = 306,565,081
  5. Step 5: Solve for x
    x = 306,565,081/11,230
  6. Step 6: Final answer
    x = 27,298.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.