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Finding the Third Proportional to 3,208.50 and 4,857.19

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Solution

The third proportional to 3,208.50 and 4,857.19 is: 7,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.50 : 4,857.19 = 4,857.19 : x
  2. Step 2: Convert to fraction form
    3,208.50/4,857.19 = 4,857.19/x
  3. Step 3: Cross multiply
    3,208.50x = 4,857.19 × 4,857.19
  4. Step 4: Simplify right side
    3,208.50x = 23,592,270.41
  5. Step 5: Solve for x
    x = 23,592,270.41/3,208.50
  6. Step 6: Final answer
    x = 7,353.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.