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Finding the Third Proportional to 76,099.50 and 165,318.75

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Solution

The third proportional to 76,099.50 and 165,318.75 is: 359,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,099.50 : 165,318.75 = 165,318.75 : x
  2. Step 2: Convert to fraction form
    76,099.50/165,318.75 = 165,318.75/x
  3. Step 3: Cross multiply
    76,099.50x = 165,318.75 × 165,318.75
  4. Step 4: Simplify right side
    76,099.50x = 27,330,289,101.56
  5. Step 5: Solve for x
    x = 27,330,289,101.56/76,099.50
  6. Step 6: Final answer
    x = 359,138.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.