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Finding the Third Proportional to 8,311.36 and 10,895.13

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Solution

The third proportional to 8,311.36 and 10,895.13 is: 14,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.36 : 10,895.13 = 10,895.13 : x
  2. Step 2: Convert to fraction form
    8,311.36/10,895.13 = 10,895.13/x
  3. Step 3: Cross multiply
    8,311.36x = 10,895.13 × 10,895.13
  4. Step 4: Simplify right side
    8,311.36x = 118,703,919.00
  5. Step 5: Solve for x
    x = 118,703,919.00/8,311.36
  6. Step 6: Final answer
    x = 14,282.13

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.