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Finding the Third Proportional to 2,817 and 3,709.13

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Solution

The third proportional to 2,817 and 3,709.13 is: 4,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817 : 3,709.13 = 3,709.13 : x
  2. Step 2: Convert to fraction form
    2,817/3,709.13 = 3,709.13/x
  3. Step 3: Cross multiply
    2,817x = 3,709.13 × 3,709.13
  4. Step 4: Simplify right side
    2,817x = 13,757,608.27
  5. Step 5: Solve for x
    x = 13,757,608.27/2,817
  6. Step 6: Final answer
    x = 4,883.78

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.