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Finding the Third Proportional to 219,160.69 and 327,858.75

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Solution

The third proportional to 219,160.69 and 327,858.75 is: 490,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,160.69 : 327,858.75 = 327,858.75 : x
  2. Step 2: Convert to fraction form
    219,160.69/327,858.75 = 327,858.75/x
  3. Step 3: Cross multiply
    219,160.69x = 327,858.75 × 327,858.75
  4. Step 4: Simplify right side
    219,160.69x = 107,491,359,951.56
  5. Step 5: Solve for x
    x = 107,491,359,951.56/219,160.69
  6. Step 6: Final answer
    x = 490,468.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.