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Finding the Third Proportional to 11,871 and 16,876.50

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Solution

The third proportional to 11,871 and 16,876.50 is: 23,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871 : 16,876.50 = 16,876.50 : x
  2. Step 2: Convert to fraction form
    11,871/16,876.50 = 16,876.50/x
  3. Step 3: Cross multiply
    11,871x = 16,876.50 × 16,876.50
  4. Step 4: Simplify right side
    11,871x = 284,816,252.25
  5. Step 5: Solve for x
    x = 284,816,252.25/11,871
  6. Step 6: Final answer
    x = 23,992.61

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.