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Finding the Third Proportional to 3,105 and 4,794.75

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Solution

The third proportional to 3,105 and 4,794.75 is: 7,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105 : 4,794.75 = 4,794.75 : x
  2. Step 2: Convert to fraction form
    3,105/4,794.75 = 4,794.75/x
  3. Step 3: Cross multiply
    3,105x = 4,794.75 × 4,794.75
  4. Step 4: Simplify right side
    3,105x = 22,989,627.56
  5. Step 5: Solve for x
    x = 22,989,627.56/3,105
  6. Step 6: Final answer
    x = 7,404.07

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.