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Finding the Third Proportional to 3,399.75 and 5,408.25

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Solution

The third proportional to 3,399.75 and 5,408.25 is: 8,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.75 : 5,408.25 = 5,408.25 : x
  2. Step 2: Convert to fraction form
    3,399.75/5,408.25 = 5,408.25/x
  3. Step 3: Cross multiply
    3,399.75x = 5,408.25 × 5,408.25
  4. Step 4: Simplify right side
    3,399.75x = 29,249,168.06
  5. Step 5: Solve for x
    x = 29,249,168.06/3,399.75
  6. Step 6: Final answer
    x = 8,603.33

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.