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Finding the Third Proportional to 8,884 and 13,755

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Solution

The third proportional to 8,884 and 13,755 is: 21,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884 : 13,755 = 13,755 : x
  2. Step 2: Convert to fraction form
    8,884/13,755 = 13,755/x
  3. Step 3: Cross multiply
    8,884x = 13,755 × 13,755
  4. Step 4: Simplify right side
    8,884x = 189,200,025
  5. Step 5: Solve for x
    x = 189,200,025/8,884
  6. Step 6: Final answer
    x = 21,296.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.