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Finding the Third Proportional to 1,579 and 3,289

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Solution

The third proportional to 1,579 and 3,289 is: 6,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579 : 3,289 = 3,289 : x
  2. Step 2: Convert to fraction form
    1,579/3,289 = 3,289/x
  3. Step 3: Cross multiply
    1,579x = 3,289 × 3,289
  4. Step 4: Simplify right side
    1,579x = 10,817,521
  5. Step 5: Solve for x
    x = 10,817,521/1,579
  6. Step 6: Final answer
    x = 6,850.87

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.