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Finding the Third Proportional to 100,179 and 156,012

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Solution

The third proportional to 100,179 and 156,012 is: 242,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,179 : 156,012 = 156,012 : x
  2. Step 2: Convert to fraction form
    100,179/156,012 = 156,012/x
  3. Step 3: Cross multiply
    100,179x = 156,012 × 156,012
  4. Step 4: Simplify right side
    100,179x = 24,339,744,144
  5. Step 5: Solve for x
    x = 24,339,744,144/100,179
  6. Step 6: Final answer
    x = 242,962.54

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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.