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Finding the Third Proportional to 3,864,786 and 8,395,515

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Solution

The third proportional to 3,864,786 and 8,395,515 is: 18,237,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,786 : 8,395,515 = 8,395,515 : x
  2. Step 2: Convert to fraction form
    3,864,786/8,395,515 = 8,395,515/x
  3. Step 3: Cross multiply
    3,864,786x = 8,395,515 × 8,395,515
  4. Step 4: Simplify right side
    3,864,786x = 70,484,672,115,225
  5. Step 5: Solve for x
    x = 70,484,672,115,225/3,864,786
  6. Step 6: Final answer
    x = 18,237,664.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.