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Finding the Third Proportional to 17,278,665 and 37,121,569

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Solution

The third proportional to 17,278,665 and 37,121,569 is: 79,752,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278,665 : 37,121,569 = 37,121,569 : x
  2. Step 2: Convert to fraction form
    17,278,665/37,121,569 = 37,121,569/x
  3. Step 3: Cross multiply
    17,278,665x = 37,121,569 × 37,121,569
  4. Step 4: Simplify right side
    17,278,665x = 1,378,010,885,021,761
  5. Step 5: Solve for x
    x = 1,378,010,885,021,761/17,278,665
  6. Step 6: Final answer
    x = 79,752,161.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.