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Finding the Third Proportional to 47,512 and 102,456

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Solution

The third proportional to 47,512 and 102,456 is: 220,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,512 : 102,456 = 102,456 : x
  2. Step 2: Convert to fraction form
    47,512/102,456 = 102,456/x
  3. Step 3: Cross multiply
    47,512x = 102,456 × 102,456
  4. Step 4: Simplify right side
    47,512x = 10,497,231,936
  5. Step 5: Solve for x
    x = 10,497,231,936/47,512
  6. Step 6: Final answer
    x = 220,938.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.