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Finding the Third Proportional to 5,912 and 12,615

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Solution

The third proportional to 5,912 and 12,615 is: 26,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912 : 12,615 = 12,615 : x
  2. Step 2: Convert to fraction form
    5,912/12,615 = 12,615/x
  3. Step 3: Cross multiply
    5,912x = 12,615 × 12,615
  4. Step 4: Simplify right side
    5,912x = 159,138,225
  5. Step 5: Solve for x
    x = 159,138,225/5,912
  6. Step 6: Final answer
    x = 26,917.83

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.