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Finding the Third Proportional to 12,108 and 26,661

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Solution

The third proportional to 12,108 and 26,661 is: 58,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108 : 26,661 = 26,661 : x
  2. Step 2: Convert to fraction form
    12,108/26,661 = 26,661/x
  3. Step 3: Cross multiply
    12,108x = 26,661 × 26,661
  4. Step 4: Simplify right side
    12,108x = 710,808,921
  5. Step 5: Solve for x
    x = 710,808,921/12,108
  6. Step 6: Final answer
    x = 58,705.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.