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Finding the Third Proportional to 11,876 and 18,501

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Solution

The third proportional to 11,876 and 18,501 is: 28,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876 : 18,501 = 18,501 : x
  2. Step 2: Convert to fraction form
    11,876/18,501 = 18,501/x
  3. Step 3: Cross multiply
    11,876x = 18,501 × 18,501
  4. Step 4: Simplify right side
    11,876x = 342,287,001
  5. Step 5: Solve for x
    x = 342,287,001/11,876
  6. Step 6: Final answer
    x = 28,821.74

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.