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Finding the Third Proportional to 26,772 and 57,615

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Solution

The third proportional to 26,772 and 57,615 is: 123,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772 : 57,615 = 57,615 : x
  2. Step 2: Convert to fraction form
    26,772/57,615 = 57,615/x
  3. Step 3: Cross multiply
    26,772x = 57,615 × 57,615
  4. Step 4: Simplify right side
    26,772x = 3,319,488,225
  5. Step 5: Solve for x
    x = 3,319,488,225/26,772
  6. Step 6: Final answer
    x = 123,991.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.