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Finding the Third Proportional to 33,156 and 68,255

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Solution

The third proportional to 33,156 and 68,255 is: 140,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156 : 68,255 = 68,255 : x
  2. Step 2: Convert to fraction form
    33,156/68,255 = 68,255/x
  3. Step 3: Cross multiply
    33,156x = 68,255 × 68,255
  4. Step 4: Simplify right side
    33,156x = 4,658,745,025
  5. Step 5: Solve for x
    x = 4,658,745,025/33,156
  6. Step 6: Final answer
    x = 140,509.86

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.