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Finding the Third Proportional to 103,622 and 214,615

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Solution

The third proportional to 103,622 and 214,615 is: 444,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622 : 214,615 = 214,615 : x
  2. Step 2: Convert to fraction form
    103,622/214,615 = 214,615/x
  3. Step 3: Cross multiply
    103,622x = 214,615 × 214,615
  4. Step 4: Simplify right side
    103,622x = 46,059,598,225
  5. Step 5: Solve for x
    x = 46,059,598,225/103,622
  6. Step 6: Final answer
    x = 444,496.33

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.