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Finding the Third Proportional to 3,923 and 7,297

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Solution

The third proportional to 3,923 and 7,297 is: 13,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923 : 7,297 = 7,297 : x
  2. Step 2: Convert to fraction form
    3,923/7,297 = 7,297/x
  3. Step 3: Cross multiply
    3,923x = 7,297 × 7,297
  4. Step 4: Simplify right side
    3,923x = 53,246,209
  5. Step 5: Solve for x
    x = 53,246,209/3,923
  6. Step 6: Final answer
    x = 13,572.83

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.