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Finding the Third Proportional to 20,228,218 and 43,693,330

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Solution

The third proportional to 20,228,218 and 43,693,330 is: 94,378,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,218 : 43,693,330 = 43,693,330 : x
  2. Step 2: Convert to fraction form
    20,228,218/43,693,330 = 43,693,330/x
  3. Step 3: Cross multiply
    20,228,218x = 43,693,330 × 43,693,330
  4. Step 4: Simplify right side
    20,228,218x = 1,909,107,086,488,900
  5. Step 5: Solve for x
    x = 1,909,107,086,488,900/20,228,218
  6. Step 6: Final answer
    x = 94,378,411.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.