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Finding the Third Proportional to 3,376.69 and 7,273.55

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Solution

The third proportional to 3,376.69 and 7,273.55 is: 15,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.69 : 7,273.55 = 7,273.55 : x
  2. Step 2: Convert to fraction form
    3,376.69/7,273.55 = 7,273.55/x
  3. Step 3: Cross multiply
    3,376.69x = 7,273.55 × 7,273.55
  4. Step 4: Simplify right side
    3,376.69x = 52,904,484.14
  5. Step 5: Solve for x
    x = 52,904,484.14/3,376.69
  6. Step 6: Final answer
    x = 15,667.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.