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Finding the Third Proportional to 3,180.75 and 4,626.75

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Solution

The third proportional to 3,180.75 and 4,626.75 is: 6,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.75 : 4,626.75 = 4,626.75 : x
  2. Step 2: Convert to fraction form
    3,180.75/4,626.75 = 4,626.75/x
  3. Step 3: Cross multiply
    3,180.75x = 4,626.75 × 4,626.75
  4. Step 4: Simplify right side
    3,180.75x = 21,406,815.56
  5. Step 5: Solve for x
    x = 21,406,815.56/3,180.75
  6. Step 6: Final answer
    x = 6,730.12

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.