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Finding the Third Proportional to 16,768 and 27,749

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Solution

The third proportional to 16,768 and 27,749 is: 45,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768 : 27,749 = 27,749 : x
  2. Step 2: Convert to fraction form
    16,768/27,749 = 27,749/x
  3. Step 3: Cross multiply
    16,768x = 27,749 × 27,749
  4. Step 4: Simplify right side
    16,768x = 770,007,001
  5. Step 5: Solve for x
    x = 770,007,001/16,768
  6. Step 6: Final answer
    x = 45,921.22

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.