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Finding the Third Proportional to 3,217 and 4,883.50

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Solution

The third proportional to 3,217 and 4,883.50 is: 7,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217 : 4,883.50 = 4,883.50 : x
  2. Step 2: Convert to fraction form
    3,217/4,883.50 = 4,883.50/x
  3. Step 3: Cross multiply
    3,217x = 4,883.50 × 4,883.50
  4. Step 4: Simplify right side
    3,217x = 23,848,572.25
  5. Step 5: Solve for x
    x = 23,848,572.25/3,217
  6. Step 6: Final answer
    x = 7,413.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.