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Finding the Third Proportional to 9,172 and 20,098

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Solution

The third proportional to 9,172 and 20,098 is: 44,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172 : 20,098 = 20,098 : x
  2. Step 2: Convert to fraction form
    9,172/20,098 = 20,098/x
  3. Step 3: Cross multiply
    9,172x = 20,098 × 20,098
  4. Step 4: Simplify right side
    9,172x = 403,929,604
  5. Step 5: Solve for x
    x = 403,929,604/9,172
  6. Step 6: Final answer
    x = 44,039.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.