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Finding the Third Proportional to 192,774 and 415,087

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Solution

The third proportional to 192,774 and 415,087 is: 893,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,774 : 415,087 = 415,087 : x
  2. Step 2: Convert to fraction form
    192,774/415,087 = 415,087/x
  3. Step 3: Cross multiply
    192,774x = 415,087 × 415,087
  4. Step 4: Simplify right side
    192,774x = 172,297,217,569
  5. Step 5: Solve for x
    x = 172,297,217,569/192,774
  6. Step 6: Final answer
    x = 893,778.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.