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Finding the Third Proportional to 6,391.38 and 13,671.13

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Solution

The third proportional to 6,391.38 and 13,671.13 is: 29,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.38 : 13,671.13 = 13,671.13 : x
  2. Step 2: Convert to fraction form
    6,391.38/13,671.13 = 13,671.13/x
  3. Step 3: Cross multiply
    6,391.38x = 13,671.13 × 13,671.13
  4. Step 4: Simplify right side
    6,391.38x = 186,899,658.77
  5. Step 5: Solve for x
    x = 186,899,658.77/6,391.38
  6. Step 6: Final answer
    x = 29,242.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.