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Finding the Third Proportional to 2,207,664 and 4,887,477

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Solution

The third proportional to 2,207,664 and 4,887,477 is: 10,820,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,664 : 4,887,477 = 4,887,477 : x
  2. Step 2: Convert to fraction form
    2,207,664/4,887,477 = 4,887,477/x
  3. Step 3: Cross multiply
    2,207,664x = 4,887,477 × 4,887,477
  4. Step 4: Simplify right side
    2,207,664x = 23,887,431,425,529
  5. Step 5: Solve for x
    x = 23,887,431,425,529/2,207,664
  6. Step 6: Final answer
    x = 10,820,229.63

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.