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Finding the Third Proportional to 7,908 and 16,899

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Solution

The third proportional to 7,908 and 16,899 is: 36,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908 : 16,899 = 16,899 : x
  2. Step 2: Convert to fraction form
    7,908/16,899 = 16,899/x
  3. Step 3: Cross multiply
    7,908x = 16,899 × 16,899
  4. Step 4: Simplify right side
    7,908x = 285,576,201
  5. Step 5: Solve for x
    x = 285,576,201/7,908
  6. Step 6: Final answer
    x = 36,112.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.