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Finding the Third Proportional to 47,220.75 and 102,749.25

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Solution

The third proportional to 47,220.75 and 102,749.25 is: 223,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220.75 : 102,749.25 = 102,749.25 : x
  2. Step 2: Convert to fraction form
    47,220.75/102,749.25 = 102,749.25/x
  3. Step 3: Cross multiply
    47,220.75x = 102,749.25 × 102,749.25
  4. Step 4: Simplify right side
    47,220.75x = 10,557,408,375.56
  5. Step 5: Solve for x
    x = 10,557,408,375.56/47,220.75
  6. Step 6: Final answer
    x = 223,575.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.