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Finding the Third Proportional to 68,319.38 and 150,089.81

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Solution

The third proportional to 68,319.38 and 150,089.81 is: 329,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,319.38 : 150,089.81 = 150,089.81 : x
  2. Step 2: Convert to fraction form
    68,319.38/150,089.81 = 150,089.81/x
  3. Step 3: Cross multiply
    68,319.38x = 150,089.81 × 150,089.81
  4. Step 4: Simplify right side
    68,319.38x = 22,526,951,816.29
  5. Step 5: Solve for x
    x = 22,526,951,816.29/68,319.38
  6. Step 6: Final answer
    x = 329,730.06

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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.