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Finding the Third Proportional to 101,503 and 223,256

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Solution

The third proportional to 101,503 and 223,256 is: 491,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,503 : 223,256 = 223,256 : x
  2. Step 2: Convert to fraction form
    101,503/223,256 = 223,256/x
  3. Step 3: Cross multiply
    101,503x = 223,256 × 223,256
  4. Step 4: Simplify right side
    101,503x = 49,843,241,536
  5. Step 5: Solve for x
    x = 49,843,241,536/101,503
  6. Step 6: Final answer
    x = 491,051.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.