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Finding the Third Proportional to 90,003,244 and 196,361,552

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Solution

The third proportional to 90,003,244 and 196,361,552 is: 428,405,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,003,244 : 196,361,552 = 196,361,552 : x
  2. Step 2: Convert to fraction form
    90,003,244/196,361,552 = 196,361,552/x
  3. Step 3: Cross multiply
    90,003,244x = 196,361,552 × 196,361,552
  4. Step 4: Simplify right side
    90,003,244x = 38,557,859,103,848,704
  5. Step 5: Solve for x
    x = 38,557,859,103,848,704/90,003,244
  6. Step 6: Final answer
    x = 428,405,215.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.