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Finding the Third Proportional to 3,393 and 4,680

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Solution

The third proportional to 3,393 and 4,680 is: 6,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393 : 4,680 = 4,680 : x
  2. Step 2: Convert to fraction form
    3,393/4,680 = 4,680/x
  3. Step 3: Cross multiply
    3,393x = 4,680 × 4,680
  4. Step 4: Simplify right side
    3,393x = 21,902,400
  5. Step 5: Solve for x
    x = 21,902,400/3,393
  6. Step 6: Final answer
    x = 6,455.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.