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Finding the Third Proportional to 1,126,987 and 2,431,525

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Solution

The third proportional to 1,126,987 and 2,431,525 is: 5,246,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,987 : 2,431,525 = 2,431,525 : x
  2. Step 2: Convert to fraction form
    1,126,987/2,431,525 = 2,431,525/x
  3. Step 3: Cross multiply
    1,126,987x = 2,431,525 × 2,431,525
  4. Step 4: Simplify right side
    1,126,987x = 5,912,313,825,625
  5. Step 5: Solve for x
    x = 5,912,313,825,625/1,126,987
  6. Step 6: Final answer
    x = 5,246,124.25

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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.