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Finding the Third Proportional to 6,886 and 9,771

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Solution

The third proportional to 6,886 and 9,771 is: 13,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886 : 9,771 = 9,771 : x
  2. Step 2: Convert to fraction form
    6,886/9,771 = 9,771/x
  3. Step 3: Cross multiply
    6,886x = 9,771 × 9,771
  4. Step 4: Simplify right side
    6,886x = 95,472,441
  5. Step 5: Solve for x
    x = 95,472,441/6,886
  6. Step 6: Final answer
    x = 13,864.72

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.