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Finding the Third Proportional to 3,930 and 5,935

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Solution

The third proportional to 3,930 and 5,935 is: 8,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930 : 5,935 = 5,935 : x
  2. Step 2: Convert to fraction form
    3,930/5,935 = 5,935/x
  3. Step 3: Cross multiply
    3,930x = 5,935 × 5,935
  4. Step 4: Simplify right side
    3,930x = 35,224,225
  5. Step 5: Solve for x
    x = 35,224,225/3,930
  6. Step 6: Final answer
    x = 8,962.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.