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Finding the Third Proportional to 40,391.91 and 56,601.75

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Solution

The third proportional to 40,391.91 and 56,601.75 is: 79,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.91 : 56,601.75 = 56,601.75 : x
  2. Step 2: Convert to fraction form
    40,391.91/56,601.75 = 56,601.75/x
  3. Step 3: Cross multiply
    40,391.91x = 56,601.75 × 56,601.75
  4. Step 4: Simplify right side
    40,391.91x = 3,203,758,103.06
  5. Step 5: Solve for x
    x = 3,203,758,103.06/40,391.91
  6. Step 6: Final answer
    x = 79,316.83

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.