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Finding the Third Proportional to 376,403,158 and 815,339,132

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Solution

The third proportional to 376,403,158 and 815,339,132 is: 1,766,132,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,403,158 : 815,339,132 = 815,339,132 : x
  2. Step 2: Convert to fraction form
    376,403,158/815,339,132 = 815,339,132/x
  3. Step 3: Cross multiply
    376,403,158x = 815,339,132 × 815,339,132
  4. Step 4: Simplify right side
    376,403,158x = 664,777,900,170,513,408
  5. Step 5: Solve for x
    x = 664,777,900,170,513,408/376,403,158
  6. Step 6: Final answer
    x = 1,766,132,632.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.