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Finding the Third Proportional to 101,954 and 219,640

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Solution

The third proportional to 101,954 and 219,640 is: 473,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,954 : 219,640 = 219,640 : x
  2. Step 2: Convert to fraction form
    101,954/219,640 = 219,640/x
  3. Step 3: Cross multiply
    101,954x = 219,640 × 219,640
  4. Step 4: Simplify right side
    101,954x = 48,241,729,600
  5. Step 5: Solve for x
    x = 48,241,729,600/101,954
  6. Step 6: Final answer
    x = 473,171.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.