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Finding the Third Proportional to 7,225 and 12,734

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Solution

The third proportional to 7,225 and 12,734 is: 22,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225 : 12,734 = 12,734 : x
  2. Step 2: Convert to fraction form
    7,225/12,734 = 12,734/x
  3. Step 3: Cross multiply
    7,225x = 12,734 × 12,734
  4. Step 4: Simplify right side
    7,225x = 162,154,756
  5. Step 5: Solve for x
    x = 162,154,756/7,225
  6. Step 6: Final answer
    x = 22,443.56

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.