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Finding the Third Proportional to 9,116 and 16,888

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Solution

The third proportional to 9,116 and 16,888 is: 31,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116 : 16,888 = 16,888 : x
  2. Step 2: Convert to fraction form
    9,116/16,888 = 16,888/x
  3. Step 3: Cross multiply
    9,116x = 16,888 × 16,888
  4. Step 4: Simplify right side
    9,116x = 285,204,544
  5. Step 5: Solve for x
    x = 285,204,544/9,116
  6. Step 6: Final answer
    x = 31,286.15

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.