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Finding the Third Proportional to 11,117 and 16,976

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Solution

The third proportional to 11,117 and 16,976 is: 25,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117 : 16,976 = 16,976 : x
  2. Step 2: Convert to fraction form
    11,117/16,976 = 16,976/x
  3. Step 3: Cross multiply
    11,117x = 16,976 × 16,976
  4. Step 4: Simplify right side
    11,117x = 288,184,576
  5. Step 5: Solve for x
    x = 288,184,576/11,117
  6. Step 6: Final answer
    x = 25,922.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.