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Finding the Third Proportional to 2,838.75 and 6,169.88

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Solution

The third proportional to 2,838.75 and 6,169.88 is: 13,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.75 : 6,169.88 = 6,169.88 : x
  2. Step 2: Convert to fraction form
    2,838.75/6,169.88 = 6,169.88/x
  3. Step 3: Cross multiply
    2,838.75x = 6,169.88 × 6,169.88
  4. Step 4: Simplify right side
    2,838.75x = 38,067,357.52
  5. Step 5: Solve for x
    x = 38,067,357.52/2,838.75
  6. Step 6: Final answer
    x = 13,409.90

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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.