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Finding the Third Proportional to 3,991,658 and 6,254,529

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Solution

The third proportional to 3,991,658 and 6,254,529 is: 9,800,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,658 : 6,254,529 = 6,254,529 : x
  2. Step 2: Convert to fraction form
    3,991,658/6,254,529 = 6,254,529/x
  3. Step 3: Cross multiply
    3,991,658x = 6,254,529 × 6,254,529
  4. Step 4: Simplify right side
    3,991,658x = 39,119,133,011,841
  5. Step 5: Solve for x
    x = 39,119,133,011,841/3,991,658
  6. Step 6: Final answer
    x = 9,800,221.62

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.