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Finding the Third Proportional to 68,125 and 164,845

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Solution

The third proportional to 68,125 and 164,845 is: 398,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,125 : 164,845 = 164,845 : x
  2. Step 2: Convert to fraction form
    68,125/164,845 = 164,845/x
  3. Step 3: Cross multiply
    68,125x = 164,845 × 164,845
  4. Step 4: Simplify right side
    68,125x = 27,173,874,025
  5. Step 5: Solve for x
    x = 27,173,874,025/68,125
  6. Step 6: Final answer
    x = 398,882.55

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.