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Finding the Third Proportional to 39,231.63 and 50,372.38

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Solution

The third proportional to 39,231.63 and 50,372.38 is: 64,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.63 : 50,372.38 = 50,372.38 : x
  2. Step 2: Convert to fraction form
    39,231.63/50,372.38 = 50,372.38/x
  3. Step 3: Cross multiply
    39,231.63x = 50,372.38 × 50,372.38
  4. Step 4: Simplify right side
    39,231.63x = 2,537,376,163.14
  5. Step 5: Solve for x
    x = 2,537,376,163.14/39,231.63
  6. Step 6: Final answer
    x = 64,676.81

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.