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Finding the Third Proportional to 5,103 and 7,884.84

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Solution

The third proportional to 5,103 and 7,884.84 is: 12,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103 : 7,884.84 = 7,884.84 : x
  2. Step 2: Convert to fraction form
    5,103/7,884.84 = 7,884.84/x
  3. Step 3: Cross multiply
    5,103x = 7,884.84 × 7,884.84
  4. Step 4: Simplify right side
    5,103x = 62,170,760.96
  5. Step 5: Solve for x
    x = 62,170,760.96/5,103
  6. Step 6: Final answer
    x = 12,183.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.