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Finding the Third Proportional to 9,217,707.75 and 18,707,892.75

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Solution

The third proportional to 9,217,707.75 and 18,707,892.75 is: 37,968,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,707.75 : 18,707,892.75 = 18,707,892.75 : x
  2. Step 2: Convert to fraction form
    9,217,707.75/18,707,892.75 = 18,707,892.75/x
  3. Step 3: Cross multiply
    9,217,707.75x = 18,707,892.75 × 18,707,892.75
  4. Step 4: Simplify right side
    9,217,707.75x = 349,985,251,145,502.56
  5. Step 5: Solve for x
    x = 349,985,251,145,502.56/9,217,707.75
  6. Step 6: Final answer
    x = 37,968,794.48

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.