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Finding the Third Proportional to 9,048 and 19,812

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Solution

The third proportional to 9,048 and 19,812 is: 43,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048 : 19,812 = 19,812 : x
  2. Step 2: Convert to fraction form
    9,048/19,812 = 19,812/x
  3. Step 3: Cross multiply
    9,048x = 19,812 × 19,812
  4. Step 4: Simplify right side
    9,048x = 392,515,344
  5. Step 5: Solve for x
    x = 392,515,344/9,048
  6. Step 6: Final answer
    x = 43,381.45

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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.