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Finding the Third Proportional to 16,980 and 26,266

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Solution

The third proportional to 16,980 and 26,266 is: 40,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980 : 26,266 = 26,266 : x
  2. Step 2: Convert to fraction form
    16,980/26,266 = 26,266/x
  3. Step 3: Cross multiply
    16,980x = 26,266 × 26,266
  4. Step 4: Simplify right side
    16,980x = 689,902,756
  5. Step 5: Solve for x
    x = 689,902,756/16,980
  6. Step 6: Final answer
    x = 40,630.32

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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.