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Finding the Third Proportional to 68,107.92 and 134,469.28

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Solution

The third proportional to 68,107.92 and 134,469.28 is: 265,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,107.92 : 134,469.28 = 134,469.28 : x
  2. Step 2: Convert to fraction form
    68,107.92/134,469.28 = 134,469.28/x
  3. Step 3: Cross multiply
    68,107.92x = 134,469.28 × 134,469.28
  4. Step 4: Simplify right side
    68,107.92x = 18,081,987,599.89
  5. Step 5: Solve for x
    x = 18,081,987,599.89/68,107.92
  6. Step 6: Final answer
    x = 265,490.23

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.