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Finding the Third Proportional to 247,021,620 and 363,347,406

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Solution

The third proportional to 247,021,620 and 363,347,406 is: 534,452,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,021,620 : 363,347,406 = 363,347,406 : x
  2. Step 2: Convert to fraction form
    247,021,620/363,347,406 = 363,347,406/x
  3. Step 3: Cross multiply
    247,021,620x = 363,347,406 × 363,347,406
  4. Step 4: Simplify right side
    247,021,620x = 132,021,337,446,928,832
  5. Step 5: Solve for x
    x = 132,021,337,446,928,832/247,021,620
  6. Step 6: Final answer
    x = 534,452,561.06

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.