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Finding the Third Proportional to 73,631 and 115,185

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Solution

The third proportional to 73,631 and 115,185 is: 180,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,631 : 115,185 = 115,185 : x
  2. Step 2: Convert to fraction form
    73,631/115,185 = 115,185/x
  3. Step 3: Cross multiply
    73,631x = 115,185 × 115,185
  4. Step 4: Simplify right side
    73,631x = 13,267,584,225
  5. Step 5: Solve for x
    x = 13,267,584,225/73,631
  6. Step 6: Final answer
    x = 180,190.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.