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Finding the Third Proportional to 33,218,550 and 71,403,372

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Solution

The third proportional to 33,218,550 and 71,403,372 is: 153,481,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218,550 : 71,403,372 = 71,403,372 : x
  2. Step 2: Convert to fraction form
    33,218,550/71,403,372 = 71,403,372/x
  3. Step 3: Cross multiply
    33,218,550x = 71,403,372 × 71,403,372
  4. Step 4: Simplify right side
    33,218,550x = 5,098,441,532,970,384
  5. Step 5: Solve for x
    x = 5,098,441,532,970,384/33,218,550
  6. Step 6: Final answer
    x = 153,481,760.43

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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.