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Finding the Third Proportional to 3,241.75 and 5,328.25

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Solution

The third proportional to 3,241.75 and 5,328.25 is: 8,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.75 : 5,328.25 = 5,328.25 : x
  2. Step 2: Convert to fraction form
    3,241.75/5,328.25 = 5,328.25/x
  3. Step 3: Cross multiply
    3,241.75x = 5,328.25 × 5,328.25
  4. Step 4: Simplify right side
    3,241.75x = 28,390,248.06
  5. Step 5: Solve for x
    x = 28,390,248.06/3,241.75
  6. Step 6: Final answer
    x = 8,757.69

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.