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Finding the Third Proportional to 3,309 and 6,522

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Solution

The third proportional to 3,309 and 6,522 is: 12,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309 : 6,522 = 6,522 : x
  2. Step 2: Convert to fraction form
    3,309/6,522 = 6,522/x
  3. Step 3: Cross multiply
    3,309x = 6,522 × 6,522
  4. Step 4: Simplify right side
    3,309x = 42,536,484
  5. Step 5: Solve for x
    x = 42,536,484/3,309
  6. Step 6: Final answer
    x = 12,854.79

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.