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Finding the Third Proportional to 16,488 and 36,661

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Solution

The third proportional to 16,488 and 36,661 is: 81,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488 : 36,661 = 36,661 : x
  2. Step 2: Convert to fraction form
    16,488/36,661 = 36,661/x
  3. Step 3: Cross multiply
    16,488x = 36,661 × 36,661
  4. Step 4: Simplify right side
    16,488x = 1,344,028,921
  5. Step 5: Solve for x
    x = 1,344,028,921/16,488
  6. Step 6: Final answer
    x = 81,515.58

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.