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Finding the Third Proportional to 75,930 and 166,740

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Solution

The third proportional to 75,930 and 166,740 is: 366,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,930 : 166,740 = 166,740 : x
  2. Step 2: Convert to fraction form
    75,930/166,740 = 166,740/x
  3. Step 3: Cross multiply
    75,930x = 166,740 × 166,740
  4. Step 4: Simplify right side
    75,930x = 27,802,227,600
  5. Step 5: Solve for x
    x = 27,802,227,600/75,930
  6. Step 6: Final answer
    x = 366,156.03

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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.