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Finding the Third Proportional to 12,624 and 18,693

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Solution

The third proportional to 12,624 and 18,693 is: 27,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624 : 18,693 = 18,693 : x
  2. Step 2: Convert to fraction form
    12,624/18,693 = 18,693/x
  3. Step 3: Cross multiply
    12,624x = 18,693 × 18,693
  4. Step 4: Simplify right side
    12,624x = 349,428,249
  5. Step 5: Solve for x
    x = 349,428,249/12,624
  6. Step 6: Final answer
    x = 27,679.68

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.