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Finding the Third Proportional to 201,138.75 and 434,180.75

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Solution

The third proportional to 201,138.75 and 434,180.75 is: 937,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,138.75 : 434,180.75 = 434,180.75 : x
  2. Step 2: Convert to fraction form
    201,138.75/434,180.75 = 434,180.75/x
  3. Step 3: Cross multiply
    201,138.75x = 434,180.75 × 434,180.75
  4. Step 4: Simplify right side
    201,138.75x = 188,512,923,670.56
  5. Step 5: Solve for x
    x = 188,512,923,670.56/201,138.75
  6. Step 6: Final answer
    x = 937,228.27

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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.