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Finding the Third Proportional to 90,444 and 198,933

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Solution

The third proportional to 90,444 and 198,933 is: 437,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444 : 198,933 = 198,933 : x
  2. Step 2: Convert to fraction form
    90,444/198,933 = 198,933/x
  3. Step 3: Cross multiply
    90,444x = 198,933 × 198,933
  4. Step 4: Simplify right side
    90,444x = 39,574,338,489
  5. Step 5: Solve for x
    x = 39,574,338,489/90,444
  6. Step 6: Final answer
    x = 437,556.26

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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.