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Finding the Third Proportional to 2,121,579 and 4,579,227

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Solution

The third proportional to 2,121,579 and 4,579,227 is: 9,883,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,579 : 4,579,227 = 4,579,227 : x
  2. Step 2: Convert to fraction form
    2,121,579/4,579,227 = 4,579,227/x
  3. Step 3: Cross multiply
    2,121,579x = 4,579,227 × 4,579,227
  4. Step 4: Simplify right side
    2,121,579x = 20,969,319,917,529
  5. Step 5: Solve for x
    x = 20,969,319,917,529/2,121,579
  6. Step 6: Final answer
    x = 9,883,827.05

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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.