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Finding the Third Proportional to 2,983.50 and 6,441.75

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Solution

The third proportional to 2,983.50 and 6,441.75 is: 13,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.50 : 6,441.75 = 6,441.75 : x
  2. Step 2: Convert to fraction form
    2,983.50/6,441.75 = 6,441.75/x
  3. Step 3: Cross multiply
    2,983.50x = 6,441.75 × 6,441.75
  4. Step 4: Simplify right side
    2,983.50x = 41,496,143.06
  5. Step 5: Solve for x
    x = 41,496,143.06/2,983.50
  6. Step 6: Final answer
    x = 13,908.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.