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Finding the Third Proportional to 10,908 and 11,844

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Solution

The third proportional to 10,908 and 11,844 is: 12,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908 : 11,844 = 11,844 : x
  2. Step 2: Convert to fraction form
    10,908/11,844 = 11,844/x
  3. Step 3: Cross multiply
    10,908x = 11,844 × 11,844
  4. Step 4: Simplify right side
    10,908x = 140,280,336
  5. Step 5: Solve for x
    x = 140,280,336/10,908
  6. Step 6: Final answer
    x = 12,860.32

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.