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Finding the Third Proportional to 7,166 and 11,074

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Solution

The third proportional to 7,166 and 11,074 is: 17,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166 : 11,074 = 11,074 : x
  2. Step 2: Convert to fraction form
    7,166/11,074 = 11,074/x
  3. Step 3: Cross multiply
    7,166x = 11,074 × 11,074
  4. Step 4: Simplify right side
    7,166x = 122,633,476
  5. Step 5: Solve for x
    x = 122,633,476/7,166
  6. Step 6: Final answer
    x = 17,113.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.