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Finding the Third Proportional to 3,180 and 6,583.50

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Solution

The third proportional to 3,180 and 6,583.50 is: 13,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180 : 6,583.50 = 6,583.50 : x
  2. Step 2: Convert to fraction form
    3,180/6,583.50 = 6,583.50/x
  3. Step 3: Cross multiply
    3,180x = 6,583.50 × 6,583.50
  4. Step 4: Simplify right side
    3,180x = 43,342,472.25
  5. Step 5: Solve for x
    x = 43,342,472.25/3,180
  6. Step 6: Final answer
    x = 13,629.71

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.