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Finding the Third Proportional to 27,077 and 40,615

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Solution

The third proportional to 27,077 and 40,615 is: 60,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077 : 40,615 = 40,615 : x
  2. Step 2: Convert to fraction form
    27,077/40,615 = 40,615/x
  3. Step 3: Cross multiply
    27,077x = 40,615 × 40,615
  4. Step 4: Simplify right side
    27,077x = 1,649,578,225
  5. Step 5: Solve for x
    x = 1,649,578,225/27,077
  6. Step 6: Final answer
    x = 60,921.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.