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Finding the Third Proportional to 2,067.75 and 2,707.88

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Solution

The third proportional to 2,067.75 and 2,707.88 is: 3,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.75 : 2,707.88 = 2,707.88 : x
  2. Step 2: Convert to fraction form
    2,067.75/2,707.88 = 2,707.88/x
  3. Step 3: Cross multiply
    2,067.75x = 2,707.88 × 2,707.88
  4. Step 4: Simplify right side
    2,067.75x = 7,332,587.02
  5. Step 5: Solve for x
    x = 7,332,587.02/2,067.75
  6. Step 6: Final answer
    x = 3,546.17

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.