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Finding the Third Proportional to 1,836,660 and 3,972,507

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Solution

The third proportional to 1,836,660 and 3,972,507 is: 8,592,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,660 : 3,972,507 = 3,972,507 : x
  2. Step 2: Convert to fraction form
    1,836,660/3,972,507 = 3,972,507/x
  3. Step 3: Cross multiply
    1,836,660x = 3,972,507 × 3,972,507
  4. Step 4: Simplify right side
    1,836,660x = 15,780,811,865,049
  5. Step 5: Solve for x
    x = 15,780,811,865,049/1,836,660
  6. Step 6: Final answer
    x = 8,592,124.76

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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.