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Finding the Third Proportional to 8,908 and 12,662

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Solution

The third proportional to 8,908 and 12,662 is: 17,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908 : 12,662 = 12,662 : x
  2. Step 2: Convert to fraction form
    8,908/12,662 = 12,662/x
  3. Step 3: Cross multiply
    8,908x = 12,662 × 12,662
  4. Step 4: Simplify right side
    8,908x = 160,326,244
  5. Step 5: Solve for x
    x = 160,326,244/8,908
  6. Step 6: Final answer
    x = 17,998.01

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.