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Finding the Third Proportional to 3,935 and 7,609

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Solution

The third proportional to 3,935 and 7,609 is: 14,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935 : 7,609 = 7,609 : x
  2. Step 2: Convert to fraction form
    3,935/7,609 = 7,609/x
  3. Step 3: Cross multiply
    3,935x = 7,609 × 7,609
  4. Step 4: Simplify right side
    3,935x = 57,896,881
  5. Step 5: Solve for x
    x = 57,896,881/3,935
  6. Step 6: Final answer
    x = 14,713.31

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.