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Finding the Third Proportional to 103,704 and 221,622

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Solution

The third proportional to 103,704 and 221,622 is: 473,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,704 : 221,622 = 221,622 : x
  2. Step 2: Convert to fraction form
    103,704/221,622 = 221,622/x
  3. Step 3: Cross multiply
    103,704x = 221,622 × 221,622
  4. Step 4: Simplify right side
    103,704x = 49,116,310,884
  5. Step 5: Solve for x
    x = 49,116,310,884/103,704
  6. Step 6: Final answer
    x = 473,620.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.