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Finding the Third Proportional to 76,317 and 166,195.50

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Solution

The third proportional to 76,317 and 166,195.50 is: 361,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,317 : 166,195.50 = 166,195.50 : x
  2. Step 2: Convert to fraction form
    76,317/166,195.50 = 166,195.50/x
  3. Step 3: Cross multiply
    76,317x = 166,195.50 × 166,195.50
  4. Step 4: Simplify right side
    76,317x = 27,620,944,220.25
  5. Step 5: Solve for x
    x = 27,620,944,220.25/76,317
  6. Step 6: Final answer
    x = 361,923.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.