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Finding the Third Proportional to 40,371.75 and 57,669.75

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Solution

The third proportional to 40,371.75 and 57,669.75 is: 82,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,371.75 : 57,669.75 = 57,669.75 : x
  2. Step 2: Convert to fraction form
    40,371.75/57,669.75 = 57,669.75/x
  3. Step 3: Cross multiply
    40,371.75x = 57,669.75 × 57,669.75
  4. Step 4: Simplify right side
    40,371.75x = 3,325,800,065.06
  5. Step 5: Solve for x
    x = 3,325,800,065.06/40,371.75
  6. Step 6: Final answer
    x = 82,379.39

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.