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Finding the Third Proportional to 9,220 and 13,622

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Solution

The third proportional to 9,220 and 13,622 is: 20,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220 : 13,622 = 13,622 : x
  2. Step 2: Convert to fraction form
    9,220/13,622 = 13,622/x
  3. Step 3: Cross multiply
    9,220x = 13,622 × 13,622
  4. Step 4: Simplify right side
    9,220x = 185,558,884
  5. Step 5: Solve for x
    x = 185,558,884/9,220
  6. Step 6: Final answer
    x = 20,125.69

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.