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Finding the Third Proportional to 68,556.38 and 104,157.56

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Solution

The third proportional to 68,556.38 and 104,157.56 is: 158,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,556.38 : 104,157.56 = 104,157.56 : x
  2. Step 2: Convert to fraction form
    68,556.38/104,157.56 = 104,157.56/x
  3. Step 3: Cross multiply
    68,556.38x = 104,157.56 × 104,157.56
  4. Step 4: Simplify right side
    68,556.38x = 10,848,797,825.94
  5. Step 5: Solve for x
    x = 10,848,797,825.94/68,556.38
  6. Step 6: Final answer
    x = 158,246.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.