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Finding the Third Proportional to 2,289 and 3,351

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Solution

The third proportional to 2,289 and 3,351 is: 4,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289 : 3,351 = 3,351 : x
  2. Step 2: Convert to fraction form
    2,289/3,351 = 3,351/x
  3. Step 3: Cross multiply
    2,289x = 3,351 × 3,351
  4. Step 4: Simplify right side
    2,289x = 11,229,201
  5. Step 5: Solve for x
    x = 11,229,201/2,289
  6. Step 6: Final answer
    x = 4,905.72

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.