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Finding the Third Proportional to 4,639,841 and 9,836,738

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Solution

The third proportional to 4,639,841 and 9,836,738 is: 20,854,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639,841 : 9,836,738 = 9,836,738 : x
  2. Step 2: Convert to fraction form
    4,639,841/9,836,738 = 9,836,738/x
  3. Step 3: Cross multiply
    4,639,841x = 9,836,738 × 9,836,738
  4. Step 4: Simplify right side
    4,639,841x = 96,761,414,480,644
  5. Step 5: Solve for x
    x = 96,761,414,480,644/4,639,841
  6. Step 6: Final answer
    x = 20,854,467.75

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.