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Finding the Third Proportional to 64,198.50 and 99,801

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Solution

The third proportional to 64,198.50 and 99,801 is: 155,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,198.50 : 99,801 = 99,801 : x
  2. Step 2: Convert to fraction form
    64,198.50/99,801 = 99,801/x
  3. Step 3: Cross multiply
    64,198.50x = 99,801 × 99,801
  4. Step 4: Simplify right side
    64,198.50x = 9,960,239,601
  5. Step 5: Solve for x
    x = 9,960,239,601/64,198.50
  6. Step 6: Final answer
    x = 155,147.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.