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Finding the Third Proportional to 201,143.75 and 434,190.75

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Solution

The third proportional to 201,143.75 and 434,190.75 is: 937,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,143.75 : 434,190.75 = 434,190.75 : x
  2. Step 2: Convert to fraction form
    201,143.75/434,190.75 = 434,190.75/x
  3. Step 3: Cross multiply
    201,143.75x = 434,190.75 × 434,190.75
  4. Step 4: Simplify right side
    201,143.75x = 188,521,607,385.56
  5. Step 5: Solve for x
    x = 188,521,607,385.56/201,143.75
  6. Step 6: Final answer
    x = 937,248.15

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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.