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Finding the Third Proportional to 218,920,066 and 475,945,448

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Solution

The third proportional to 218,920,066 and 475,945,448 is: 1,034,734,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,920,066 : 475,945,448 = 475,945,448 : x
  2. Step 2: Convert to fraction form
    218,920,066/475,945,448 = 475,945,448/x
  3. Step 3: Cross multiply
    218,920,066x = 475,945,448 × 475,945,448
  4. Step 4: Simplify right side
    218,920,066x = 226,524,069,471,920,704
  5. Step 5: Solve for x
    x = 226,524,069,471,920,704/218,920,066
  6. Step 6: Final answer
    x = 1,034,734,154.85

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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.