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Finding the Third Proportional to 8,467 and 21,895

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Solution

The third proportional to 8,467 and 21,895 is: 56,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467 : 21,895 = 21,895 : x
  2. Step 2: Convert to fraction form
    8,467/21,895 = 21,895/x
  3. Step 3: Cross multiply
    8,467x = 21,895 × 21,895
  4. Step 4: Simplify right side
    8,467x = 479,391,025
  5. Step 5: Solve for x
    x = 479,391,025/8,467
  6. Step 6: Final answer
    x = 56,618.76

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.