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Finding the Third Proportional to 76,992 and 167,136

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Solution

The third proportional to 76,992 and 167,136 is: 362,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,992 : 167,136 = 167,136 : x
  2. Step 2: Convert to fraction form
    76,992/167,136 = 167,136/x
  3. Step 3: Cross multiply
    76,992x = 167,136 × 167,136
  4. Step 4: Simplify right side
    76,992x = 27,934,442,496
  5. Step 5: Solve for x
    x = 27,934,442,496/76,992
  6. Step 6: Final answer
    x = 362,822.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.