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Finding the Third Proportional to 3,991,672 and 6,254,544

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Solution

The third proportional to 3,991,672 and 6,254,544 is: 9,800,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,672 : 6,254,544 = 6,254,544 : x
  2. Step 2: Convert to fraction form
    3,991,672/6,254,544 = 6,254,544/x
  3. Step 3: Cross multiply
    3,991,672x = 6,254,544 × 6,254,544
  4. Step 4: Simplify right side
    3,991,672x = 39,119,320,647,936
  5. Step 5: Solve for x
    x = 39,119,320,647,936/3,991,672
  6. Step 6: Final answer
    x = 9,800,234.25

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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.