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Finding the Third Proportional to 47,715 and 103,631

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Solution

The third proportional to 47,715 and 103,631 is: 225,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715 : 103,631 = 103,631 : x
  2. Step 2: Convert to fraction form
    47,715/103,631 = 103,631/x
  3. Step 3: Cross multiply
    47,715x = 103,631 × 103,631
  4. Step 4: Simplify right side
    47,715x = 10,739,384,161
  5. Step 5: Solve for x
    x = 10,739,384,161/47,715
  6. Step 6: Final answer
    x = 225,073.54

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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.