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Finding the Third Proportional to 68,201.37 and 149,809.50

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Solution

The third proportional to 68,201.37 and 149,809.50 is: 329,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,201.37 : 149,809.50 = 149,809.50 : x
  2. Step 2: Convert to fraction form
    68,201.37/149,809.50 = 149,809.50/x
  3. Step 3: Cross multiply
    68,201.37x = 149,809.50 × 149,809.50
  4. Step 4: Simplify right side
    68,201.37x = 22,442,886,290.25
  5. Step 5: Solve for x
    x = 22,442,886,290.25/68,201.37
  6. Step 6: Final answer
    x = 329,067.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.