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Finding the Third Proportional to 7,568 and 18,200

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Solution

The third proportional to 7,568 and 18,200 is: 43,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568 : 18,200 = 18,200 : x
  2. Step 2: Convert to fraction form
    7,568/18,200 = 18,200/x
  3. Step 3: Cross multiply
    7,568x = 18,200 × 18,200
  4. Step 4: Simplify right side
    7,568x = 331,240,000
  5. Step 5: Solve for x
    x = 331,240,000/7,568
  6. Step 6: Final answer
    x = 43,768.50

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.