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Finding the Third Proportional to 1,917,771 and 4,134,435

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Solution

The third proportional to 1,917,771 and 4,134,435 is: 8,913,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,771 : 4,134,435 = 4,134,435 : x
  2. Step 2: Convert to fraction form
    1,917,771/4,134,435 = 4,134,435/x
  3. Step 3: Cross multiply
    1,917,771x = 4,134,435 × 4,134,435
  4. Step 4: Simplify right side
    1,917,771x = 17,093,552,769,225
  5. Step 5: Solve for x
    x = 17,093,552,769,225/1,917,771
  6. Step 6: Final answer
    x = 8,913,239.78

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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.