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Finding the Third Proportional to 5,921 and 9,868

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Solution

The third proportional to 5,921 and 9,868 is: 16,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921 : 9,868 = 9,868 : x
  2. Step 2: Convert to fraction form
    5,921/9,868 = 9,868/x
  3. Step 3: Cross multiply
    5,921x = 9,868 × 9,868
  4. Step 4: Simplify right side
    5,921x = 97,377,424
  5. Step 5: Solve for x
    x = 97,377,424/5,921
  6. Step 6: Final answer
    x = 16,446.11

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.