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Finding the Third Proportional to 8,894 and 20,916

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Solution

The third proportional to 8,894 and 20,916 is: 49,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894 : 20,916 = 20,916 : x
  2. Step 2: Convert to fraction form
    8,894/20,916 = 20,916/x
  3. Step 3: Cross multiply
    8,894x = 20,916 × 20,916
  4. Step 4: Simplify right side
    8,894x = 437,479,056
  5. Step 5: Solve for x
    x = 437,479,056/8,894
  6. Step 6: Final answer
    x = 49,188.11

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.