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Finding the Third Proportional to 8,633 and 9,869

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Solution

The third proportional to 8,633 and 9,869 is: 11,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633 : 9,869 = 9,869 : x
  2. Step 2: Convert to fraction form
    8,633/9,869 = 9,869/x
  3. Step 3: Cross multiply
    8,633x = 9,869 × 9,869
  4. Step 4: Simplify right side
    8,633x = 97,397,161
  5. Step 5: Solve for x
    x = 97,397,161/8,633
  6. Step 6: Final answer
    x = 11,281.96

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.