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Finding the Third Proportional to 66,174 and 156,188

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Solution

The third proportional to 66,174 and 156,188 is: 368,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,174 : 156,188 = 156,188 : x
  2. Step 2: Convert to fraction form
    66,174/156,188 = 156,188/x
  3. Step 3: Cross multiply
    66,174x = 156,188 × 156,188
  4. Step 4: Simplify right side
    66,174x = 24,394,691,344
  5. Step 5: Solve for x
    x = 24,394,691,344/66,174
  6. Step 6: Final answer
    x = 368,644.65

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.