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Finding the Third Proportional to 16,629.75 and 36,018

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Solution

The third proportional to 16,629.75 and 36,018 is: 78,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.75 : 36,018 = 36,018 : x
  2. Step 2: Convert to fraction form
    16,629.75/36,018 = 36,018/x
  3. Step 3: Cross multiply
    16,629.75x = 36,018 × 36,018
  4. Step 4: Simplify right side
    16,629.75x = 1,297,296,324
  5. Step 5: Solve for x
    x = 1,297,296,324/16,629.75
  6. Step 6: Final answer
    x = 78,010.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.