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Finding the Third Proportional to 179,401.25 and 289,059.50

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Solution

The third proportional to 179,401.25 and 289,059.50 is: 465,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,401.25 : 289,059.50 = 289,059.50 : x
  2. Step 2: Convert to fraction form
    179,401.25/289,059.50 = 289,059.50/x
  3. Step 3: Cross multiply
    179,401.25x = 289,059.50 × 289,059.50
  4. Step 4: Simplify right side
    179,401.25x = 83,555,394,540.25
  5. Step 5: Solve for x
    x = 83,555,394,540.25/179,401.25
  6. Step 6: Final answer
    x = 465,745.89

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.