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Finding the Third Proportional to 3,881.67 and 5,137.17

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Solution

The third proportional to 3,881.67 and 5,137.17 is: 6,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.67 : 5,137.17 = 5,137.17 : x
  2. Step 2: Convert to fraction form
    3,881.67/5,137.17 = 5,137.17/x
  3. Step 3: Cross multiply
    3,881.67x = 5,137.17 × 5,137.17
  4. Step 4: Simplify right side
    3,881.67x = 26,390,534.87
  5. Step 5: Solve for x
    x = 26,390,534.87/3,881.67
  6. Step 6: Final answer
    x = 6,798.75

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.