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Finding the Third Proportional to 725,063,422.78 and 1,108,405,020.09

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Solution

The third proportional to 725,063,422.78 and 1,108,405,020.09 is: 1,694,419,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,063,422.78 : 1,108,405,020.09 = 1,108,405,020.09 : x
  2. Step 2: Convert to fraction form
    725,063,422.78/1,108,405,020.09 = 1,108,405,020.09/x
  3. Step 3: Cross multiply
    725,063,422.78x = 1,108,405,020.09 × 1,108,405,020.09
  4. Step 4: Simplify right side
    725,063,422.78x = 1,228,561,688,569,137,408
  5. Step 5: Solve for x
    x = 1,228,561,688,569,137,408/725,063,422.78
  6. Step 6: Final answer
    x = 1,694,419,618.99

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.