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Finding the Third Proportional to 8,887.22 and 13,863.66

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Solution

The third proportional to 8,887.22 and 13,863.66 is: 21,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.22 : 13,863.66 = 13,863.66 : x
  2. Step 2: Convert to fraction form
    8,887.22/13,863.66 = 13,863.66/x
  3. Step 3: Cross multiply
    8,887.22x = 13,863.66 × 13,863.66
  4. Step 4: Simplify right side
    8,887.22x = 192,200,964.62
  5. Step 5: Solve for x
    x = 192,200,964.62/8,887.22
  6. Step 6: Final answer
    x = 21,626.67

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.