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Finding the Third Proportional to 73,947.94 and 161,245.69

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Solution

The third proportional to 73,947.94 and 161,245.69 is: 351,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,947.94 : 161,245.69 = 161,245.69 : x
  2. Step 2: Convert to fraction form
    73,947.94/161,245.69 = 161,245.69/x
  3. Step 3: Cross multiply
    73,947.94x = 161,245.69 × 161,245.69
  4. Step 4: Simplify right side
    73,947.94x = 26,000,171,737.35
  5. Step 5: Solve for x
    x = 26,000,171,737.35/73,947.94
  6. Step 6: Final answer
    x = 351,601.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.