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Finding the Third Proportional to 4,788 and 5,876

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Solution

The third proportional to 4,788 and 5,876 is: 7,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788 : 5,876 = 5,876 : x
  2. Step 2: Convert to fraction form
    4,788/5,876 = 5,876/x
  3. Step 3: Cross multiply
    4,788x = 5,876 × 5,876
  4. Step 4: Simplify right side
    4,788x = 34,527,376
  5. Step 5: Solve for x
    x = 34,527,376/4,788
  6. Step 6: Final answer
    x = 7,211.23

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.