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Finding the Third Proportional to 68,008 and 99,936

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Solution

The third proportional to 68,008 and 99,936 is: 146,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,008 : 99,936 = 99,936 : x
  2. Step 2: Convert to fraction form
    68,008/99,936 = 99,936/x
  3. Step 3: Cross multiply
    68,008x = 99,936 × 99,936
  4. Step 4: Simplify right side
    68,008x = 9,987,204,096
  5. Step 5: Solve for x
    x = 9,987,204,096/68,008
  6. Step 6: Final answer
    x = 146,853.37

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.