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Finding the Third Proportional to 7,935 and 17,087

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Solution

The third proportional to 7,935 and 17,087 is: 36,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935 : 17,087 = 17,087 : x
  2. Step 2: Convert to fraction form
    7,935/17,087 = 17,087/x
  3. Step 3: Cross multiply
    7,935x = 17,087 × 17,087
  4. Step 4: Simplify right side
    7,935x = 291,965,569
  5. Step 5: Solve for x
    x = 291,965,569/7,935
  6. Step 6: Final answer
    x = 36,794.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.