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Finding the Third Proportional to 81,350.63 and 166,665

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Solution

The third proportional to 81,350.63 and 166,665 is: 341,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,350.63 : 166,665 = 166,665 : x
  2. Step 2: Convert to fraction form
    81,350.63/166,665 = 166,665/x
  3. Step 3: Cross multiply
    81,350.63x = 166,665 × 166,665
  4. Step 4: Simplify right side
    81,350.63x = 27,777,222,225
  5. Step 5: Solve for x
    x = 27,777,222,225/81,350.63
  6. Step 6: Final answer
    x = 341,450.63

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.