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Finding the Third Proportional to 5,800 and 7,884

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Solution

The third proportional to 5,800 and 7,884 is: 10,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800 : 7,884 = 7,884 : x
  2. Step 2: Convert to fraction form
    5,800/7,884 = 7,884/x
  3. Step 3: Cross multiply
    5,800x = 7,884 × 7,884
  4. Step 4: Simplify right side
    5,800x = 62,157,456
  5. Step 5: Solve for x
    x = 62,157,456/5,800
  6. Step 6: Final answer
    x = 10,716.80

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.