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Finding the Third Proportional to 4,481,220 and 6,887,958

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Solution

The third proportional to 4,481,220 and 6,887,958 is: 10,587,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481,220 : 6,887,958 = 6,887,958 : x
  2. Step 2: Convert to fraction form
    4,481,220/6,887,958 = 6,887,958/x
  3. Step 3: Cross multiply
    4,481,220x = 6,887,958 × 6,887,958
  4. Step 4: Simplify right side
    4,481,220x = 47,443,965,409,764
  5. Step 5: Solve for x
    x = 47,443,965,409,764/4,481,220
  6. Step 6: Final answer
    x = 10,587,287.71

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.