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Finding the Third Proportional to 7,366 and 17,812

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Solution

The third proportional to 7,366 and 17,812 is: 43,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366 : 17,812 = 17,812 : x
  2. Step 2: Convert to fraction form
    7,366/17,812 = 17,812/x
  3. Step 3: Cross multiply
    7,366x = 17,812 × 17,812
  4. Step 4: Simplify right side
    7,366x = 317,267,344
  5. Step 5: Solve for x
    x = 317,267,344/7,366
  6. Step 6: Final answer
    x = 43,071.86

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.