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Finding the Third Proportional to 5,144 and 8,876

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Solution

The third proportional to 5,144 and 8,876 is: 15,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144 : 8,876 = 8,876 : x
  2. Step 2: Convert to fraction form
    5,144/8,876 = 8,876/x
  3. Step 3: Cross multiply
    5,144x = 8,876 × 8,876
  4. Step 4: Simplify right side
    5,144x = 78,783,376
  5. Step 5: Solve for x
    x = 78,783,376/5,144
  6. Step 6: Final answer
    x = 15,315.59

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.