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Finding the Third Proportional to 3,317 and 7,163

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Solution

The third proportional to 3,317 and 7,163 is: 15,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317 : 7,163 = 7,163 : x
  2. Step 2: Convert to fraction form
    3,317/7,163 = 7,163/x
  3. Step 3: Cross multiply
    3,317x = 7,163 × 7,163
  4. Step 4: Simplify right side
    3,317x = 51,308,569
  5. Step 5: Solve for x
    x = 51,308,569/3,317
  6. Step 6: Final answer
    x = 15,468.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.