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Finding the Third Proportional to 13,296 and 17,288

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Solution

The third proportional to 13,296 and 17,288 is: 22,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296 : 17,288 = 17,288 : x
  2. Step 2: Convert to fraction form
    13,296/17,288 = 17,288/x
  3. Step 3: Cross multiply
    13,296x = 17,288 × 17,288
  4. Step 4: Simplify right side
    13,296x = 298,874,944
  5. Step 5: Solve for x
    x = 298,874,944/13,296
  6. Step 6: Final answer
    x = 22,478.56

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.