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Finding the Third Proportional to 3,105.84 and 4,665.09

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Solution

The third proportional to 3,105.84 and 4,665.09 is: 7,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.84 : 4,665.09 = 4,665.09 : x
  2. Step 2: Convert to fraction form
    3,105.84/4,665.09 = 4,665.09/x
  3. Step 3: Cross multiply
    3,105.84x = 4,665.09 × 4,665.09
  4. Step 4: Simplify right side
    3,105.84x = 21,763,099.70
  5. Step 5: Solve for x
    x = 21,763,099.70/3,105.84
  6. Step 6: Final answer
    x = 7,007.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.