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Finding the Third Proportional to 9,357 and 20,199

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Solution

The third proportional to 9,357 and 20,199 is: 43,603.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357 : 20,199 = 20,199 : x
  2. Step 2: Convert to fraction form
    9,357/20,199 = 20,199/x
  3. Step 3: Cross multiply
    9,357x = 20,199 × 20,199
  4. Step 4: Simplify right side
    9,357x = 407,999,601
  5. Step 5: Solve for x
    x = 407,999,601/9,357
  6. Step 6: Final answer
    x = 43,603.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.