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Finding the Third Proportional to 4,022,208 and 8,674,128

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Solution

The third proportional to 4,022,208 and 8,674,128 is: 18,706,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022,208 : 8,674,128 = 8,674,128 : x
  2. Step 2: Convert to fraction form
    4,022,208/8,674,128 = 8,674,128/x
  3. Step 3: Cross multiply
    4,022,208x = 8,674,128 × 8,674,128
  4. Step 4: Simplify right side
    4,022,208x = 75,240,496,560,384
  5. Step 5: Solve for x
    x = 75,240,496,560,384/4,022,208
  6. Step 6: Final answer
    x = 18,706,266.95

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.