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Finding the Third Proportional to 3,727.75 and 7,886.75

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Solution

The third proportional to 3,727.75 and 7,886.75 is: 16,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.75 : 7,886.75 = 7,886.75 : x
  2. Step 2: Convert to fraction form
    3,727.75/7,886.75 = 7,886.75/x
  3. Step 3: Cross multiply
    3,727.75x = 7,886.75 × 7,886.75
  4. Step 4: Simplify right side
    3,727.75x = 62,200,825.56
  5. Step 5: Solve for x
    x = 62,200,825.56/3,727.75
  6. Step 6: Final answer
    x = 16,685.89

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.