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Finding the Third Proportional to 1,433 and 3,109

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Solution

The third proportional to 1,433 and 3,109 is: 6,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433 : 3,109 = 3,109 : x
  2. Step 2: Convert to fraction form
    1,433/3,109 = 3,109/x
  3. Step 3: Cross multiply
    1,433x = 3,109 × 3,109
  4. Step 4: Simplify right side
    1,433x = 9,665,881
  5. Step 5: Solve for x
    x = 9,665,881/1,433
  6. Step 6: Final answer
    x = 6,745.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.