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Finding the Third Proportional to 17,603 and 36,372

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Solution

The third proportional to 17,603 and 36,372 is: 75,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603 : 36,372 = 36,372 : x
  2. Step 2: Convert to fraction form
    17,603/36,372 = 36,372/x
  3. Step 3: Cross multiply
    17,603x = 36,372 × 36,372
  4. Step 4: Simplify right side
    17,603x = 1,322,922,384
  5. Step 5: Solve for x
    x = 1,322,922,384/17,603
  6. Step 6: Final answer
    x = 75,153.23

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.