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Finding the Third Proportional to 201,143.75 and 303,766

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Solution

The third proportional to 201,143.75 and 303,766 is: 458,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,143.75 : 303,766 = 303,766 : x
  2. Step 2: Convert to fraction form
    201,143.75/303,766 = 303,766/x
  3. Step 3: Cross multiply
    201,143.75x = 303,766 × 303,766
  4. Step 4: Simplify right side
    201,143.75x = 92,273,782,756
  5. Step 5: Solve for x
    x = 92,273,782,756/201,143.75
  6. Step 6: Final answer
    x = 458,745.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.