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Finding the Third Proportional to 6,935 and 7,919

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Solution

The third proportional to 6,935 and 7,919 is: 9,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935 : 7,919 = 7,919 : x
  2. Step 2: Convert to fraction form
    6,935/7,919 = 7,919/x
  3. Step 3: Cross multiply
    6,935x = 7,919 × 7,919
  4. Step 4: Simplify right side
    6,935x = 62,710,561
  5. Step 5: Solve for x
    x = 62,710,561/6,935
  6. Step 6: Final answer
    x = 9,042.62

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.