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Finding the Third Proportional to 43,753 and 65,615

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Solution

The third proportional to 43,753 and 65,615 is: 98,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,753 : 65,615 = 65,615 : x
  2. Step 2: Convert to fraction form
    43,753/65,615 = 65,615/x
  3. Step 3: Cross multiply
    43,753x = 65,615 × 65,615
  4. Step 4: Simplify right side
    43,753x = 4,305,328,225
  5. Step 5: Solve for x
    x = 4,305,328,225/43,753
  6. Step 6: Final answer
    x = 98,400.75

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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.