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Finding the Third Proportional to 16,372.13 and 36,131.06

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Solution

The third proportional to 16,372.13 and 36,131.06 is: 79,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.13 : 36,131.06 = 36,131.06 : x
  2. Step 2: Convert to fraction form
    16,372.13/36,131.06 = 36,131.06/x
  3. Step 3: Cross multiply
    16,372.13x = 36,131.06 × 36,131.06
  4. Step 4: Simplify right side
    16,372.13x = 1,305,453,677.38
  5. Step 5: Solve for x
    x = 1,305,453,677.38/16,372.13
  6. Step 6: Final answer
    x = 79,736.36

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.