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Finding the Third Proportional to 40,753.50 and 84,126

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Solution

The third proportional to 40,753.50 and 84,126 is: 173,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,753.50 : 84,126 = 84,126 : x
  2. Step 2: Convert to fraction form
    40,753.50/84,126 = 84,126/x
  3. Step 3: Cross multiply
    40,753.50x = 84,126 × 84,126
  4. Step 4: Simplify right side
    40,753.50x = 7,077,183,876
  5. Step 5: Solve for x
    x = 7,077,183,876/40,753.50
  6. Step 6: Final answer
    x = 173,658.31

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.