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Finding the Third Proportional to 6,330 and 13,740

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Solution

The third proportional to 6,330 and 13,740 is: 29,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330 : 13,740 = 13,740 : x
  2. Step 2: Convert to fraction form
    6,330/13,740 = 13,740/x
  3. Step 3: Cross multiply
    6,330x = 13,740 × 13,740
  4. Step 4: Simplify right side
    6,330x = 188,787,600
  5. Step 5: Solve for x
    x = 188,787,600/6,330
  6. Step 6: Final answer
    x = 29,824.27

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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.