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Finding the Third Proportional to 3,786,424.88 and 8,258,190.56

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Solution

The third proportional to 3,786,424.88 and 8,258,190.56 is: 18,011,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,424.88 : 8,258,190.56 = 8,258,190.56 : x
  2. Step 2: Convert to fraction form
    3,786,424.88/8,258,190.56 = 8,258,190.56/x
  3. Step 3: Cross multiply
    3,786,424.88x = 8,258,190.56 × 8,258,190.56
  4. Step 4: Simplify right side
    3,786,424.88x = 68,197,711,366,564.06
  5. Step 5: Solve for x
    x = 68,197,711,366,564.06/3,786,424.88
  6. Step 6: Final answer
    x = 18,011,109.06

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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.