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Finding the Third Proportional to 17,078,728.50 and 37,189,869.75

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Solution

The third proportional to 17,078,728.50 and 37,189,869.75 is: 80,982,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078,728.50 : 37,189,869.75 = 37,189,869.75 : x
  2. Step 2: Convert to fraction form
    17,078,728.50/37,189,869.75 = 37,189,869.75/x
  3. Step 3: Cross multiply
    17,078,728.50x = 37,189,869.75 × 37,189,869.75
  4. Step 4: Simplify right side
    17,078,728.50x = 1,383,086,412,021,965
  5. Step 5: Solve for x
    x = 1,383,086,412,021,965/17,078,728.50
  6. Step 6: Final answer
    x = 80,982,984.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.