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Finding the Third Proportional to 11,518 and 16,898

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Solution

The third proportional to 11,518 and 16,898 is: 24,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518 : 16,898 = 16,898 : x
  2. Step 2: Convert to fraction form
    11,518/16,898 = 16,898/x
  3. Step 3: Cross multiply
    11,518x = 16,898 × 16,898
  4. Step 4: Simplify right side
    11,518x = 285,542,404
  5. Step 5: Solve for x
    x = 285,542,404/11,518
  6. Step 6: Final answer
    x = 24,790.97

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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.