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Finding the Third Proportional to 30,923 and 67,366

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Solution

The third proportional to 30,923 and 67,366 is: 146,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923 : 67,366 = 67,366 : x
  2. Step 2: Convert to fraction form
    30,923/67,366 = 67,366/x
  3. Step 3: Cross multiply
    30,923x = 67,366 × 67,366
  4. Step 4: Simplify right side
    30,923x = 4,538,177,956
  5. Step 5: Solve for x
    x = 4,538,177,956/30,923
  6. Step 6: Final answer
    x = 146,757.36

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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.