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Finding the Third Proportional to 13,666 and 19,217

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Solution

The third proportional to 13,666 and 19,217 is: 27,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666 : 19,217 = 19,217 : x
  2. Step 2: Convert to fraction form
    13,666/19,217 = 19,217/x
  3. Step 3: Cross multiply
    13,666x = 19,217 × 19,217
  4. Step 4: Simplify right side
    13,666x = 369,293,089
  5. Step 5: Solve for x
    x = 369,293,089/13,666
  6. Step 6: Final answer
    x = 27,022.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.