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Finding the Third Proportional to 45,174 and 67,107

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Solution

The third proportional to 45,174 and 67,107 is: 99,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,174 : 67,107 = 67,107 : x
  2. Step 2: Convert to fraction form
    45,174/67,107 = 67,107/x
  3. Step 3: Cross multiply
    45,174x = 67,107 × 67,107
  4. Step 4: Simplify right side
    45,174x = 4,503,349,449
  5. Step 5: Solve for x
    x = 4,503,349,449/45,174
  6. Step 6: Final answer
    x = 99,688.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.