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Finding the Third Proportional to 11,393 and 15,165

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Solution

The third proportional to 11,393 and 15,165 is: 20,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393 : 15,165 = 15,165 : x
  2. Step 2: Convert to fraction form
    11,393/15,165 = 15,165/x
  3. Step 3: Cross multiply
    11,393x = 15,165 × 15,165
  4. Step 4: Simplify right side
    11,393x = 229,977,225
  5. Step 5: Solve for x
    x = 229,977,225/11,393
  6. Step 6: Final answer
    x = 20,185.84

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.