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Finding the Third Proportional to 7,220 and 10,801

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Solution

The third proportional to 7,220 and 10,801 is: 16,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220 : 10,801 = 10,801 : x
  2. Step 2: Convert to fraction form
    7,220/10,801 = 10,801/x
  3. Step 3: Cross multiply
    7,220x = 10,801 × 10,801
  4. Step 4: Simplify right side
    7,220x = 116,661,601
  5. Step 5: Solve for x
    x = 116,661,601/7,220
  6. Step 6: Final answer
    x = 16,158.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.