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Finding the Third Proportional to 9,294.75 and 20,121.75

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Solution

The third proportional to 9,294.75 and 20,121.75 is: 43,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.75 : 20,121.75 = 20,121.75 : x
  2. Step 2: Convert to fraction form
    9,294.75/20,121.75 = 20,121.75/x
  3. Step 3: Cross multiply
    9,294.75x = 20,121.75 × 20,121.75
  4. Step 4: Simplify right side
    9,294.75x = 404,884,823.06
  5. Step 5: Solve for x
    x = 404,884,823.06/9,294.75
  6. Step 6: Final answer
    x = 43,560.59

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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.