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Finding the Third Proportional to 73,007 and 155,422

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Solution

The third proportional to 73,007 and 155,422 is: 330,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007 : 155,422 = 155,422 : x
  2. Step 2: Convert to fraction form
    73,007/155,422 = 155,422/x
  3. Step 3: Cross multiply
    73,007x = 155,422 × 155,422
  4. Step 4: Simplify right side
    73,007x = 24,155,998,084
  5. Step 5: Solve for x
    x = 24,155,998,084/73,007
  6. Step 6: Final answer
    x = 330,872.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.