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Finding the Third Proportional to 2,018.25 and 4,350.75

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Solution

The third proportional to 2,018.25 and 4,350.75 is: 9,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.25 : 4,350.75 = 4,350.75 : x
  2. Step 2: Convert to fraction form
    2,018.25/4,350.75 = 4,350.75/x
  3. Step 3: Cross multiply
    2,018.25x = 4,350.75 × 4,350.75
  4. Step 4: Simplify right side
    2,018.25x = 18,929,025.56
  5. Step 5: Solve for x
    x = 18,929,025.56/2,018.25
  6. Step 6: Final answer
    x = 9,378.93

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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.