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Finding the Third Proportional to 3,311 and 7,369

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Solution

The third proportional to 3,311 and 7,369 is: 16,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311 : 7,369 = 7,369 : x
  2. Step 2: Convert to fraction form
    3,311/7,369 = 7,369/x
  3. Step 3: Cross multiply
    3,311x = 7,369 × 7,369
  4. Step 4: Simplify right side
    3,311x = 54,302,161
  5. Step 5: Solve for x
    x = 54,302,161/3,311
  6. Step 6: Final answer
    x = 16,400.53

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.