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Finding the Third Proportional to 6,816 and 10,531

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Solution

The third proportional to 6,816 and 10,531 is: 16,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816 : 10,531 = 10,531 : x
  2. Step 2: Convert to fraction form
    6,816/10,531 = 10,531/x
  3. Step 3: Cross multiply
    6,816x = 10,531 × 10,531
  4. Step 4: Simplify right side
    6,816x = 110,901,961
  5. Step 5: Solve for x
    x = 110,901,961/6,816
  6. Step 6: Final answer
    x = 16,270.83

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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.