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Finding the Third Proportional to 4,078.69 and 6,469.03

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Solution

The third proportional to 4,078.69 and 6,469.03 is: 10,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.69 : 6,469.03 = 6,469.03 : x
  2. Step 2: Convert to fraction form
    4,078.69/6,469.03 = 6,469.03/x
  3. Step 3: Cross multiply
    4,078.69x = 6,469.03 × 6,469.03
  4. Step 4: Simplify right side
    4,078.69x = 41,848,365.31
  5. Step 5: Solve for x
    x = 41,848,365.31/4,078.69
  6. Step 6: Final answer
    x = 10,260.25

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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.