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Finding the Third Proportional to 12,608 and 18,548

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Solution

The third proportional to 12,608 and 18,548 is: 27,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608 : 18,548 = 18,548 : x
  2. Step 2: Convert to fraction form
    12,608/18,548 = 18,548/x
  3. Step 3: Cross multiply
    12,608x = 18,548 × 18,548
  4. Step 4: Simplify right side
    12,608x = 344,028,304
  5. Step 5: Solve for x
    x = 344,028,304/12,608
  6. Step 6: Final answer
    x = 27,286.51

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.