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Finding the Third Proportional to 30,163 and 61,134

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Solution

The third proportional to 30,163 and 61,134 is: 123,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163 : 61,134 = 61,134 : x
  2. Step 2: Convert to fraction form
    30,163/61,134 = 61,134/x
  3. Step 3: Cross multiply
    30,163x = 61,134 × 61,134
  4. Step 4: Simplify right side
    30,163x = 3,737,365,956
  5. Step 5: Solve for x
    x = 3,737,365,956/30,163
  6. Step 6: Final answer
    x = 123,905.64

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.