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Finding the Third Proportional to 100,175.50 and 211,529

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Solution

The third proportional to 100,175.50 and 211,529 is: 446,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,175.50 : 211,529 = 211,529 : x
  2. Step 2: Convert to fraction form
    100,175.50/211,529 = 211,529/x
  3. Step 3: Cross multiply
    100,175.50x = 211,529 × 211,529
  4. Step 4: Simplify right side
    100,175.50x = 44,744,517,841
  5. Step 5: Solve for x
    x = 44,744,517,841/100,175.50
  6. Step 6: Final answer
    x = 446,661.29

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.