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Finding the Third Proportional to 47,121.75 and 101,067.75

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Solution

The third proportional to 47,121.75 and 101,067.75 is: 216,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.75 : 101,067.75 = 101,067.75 : x
  2. Step 2: Convert to fraction form
    47,121.75/101,067.75 = 101,067.75/x
  3. Step 3: Cross multiply
    47,121.75x = 101,067.75 × 101,067.75
  4. Step 4: Simplify right side
    47,121.75x = 10,214,690,090.06
  5. Step 5: Solve for x
    x = 10,214,690,090.06/47,121.75
  6. Step 6: Final answer
    x = 216,772.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.