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Finding the Third Proportional to 68,175 and 159,228.50

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Solution

The third proportional to 68,175 and 159,228.50 is: 371,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,175 : 159,228.50 = 159,228.50 : x
  2. Step 2: Convert to fraction form
    68,175/159,228.50 = 159,228.50/x
  3. Step 3: Cross multiply
    68,175x = 159,228.50 × 159,228.50
  4. Step 4: Simplify right side
    68,175x = 25,353,715,212.25
  5. Step 5: Solve for x
    x = 25,353,715,212.25/68,175
  6. Step 6: Final answer
    x = 371,891.68

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.