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Finding the Third Proportional to 1,945,605 and 3,108,119.25

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Solution

The third proportional to 1,945,605 and 3,108,119.25 is: 4,965,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,605 : 3,108,119.25 = 3,108,119.25 : x
  2. Step 2: Convert to fraction form
    1,945,605/3,108,119.25 = 3,108,119.25/x
  3. Step 3: Cross multiply
    1,945,605x = 3,108,119.25 × 3,108,119.25
  4. Step 4: Simplify right side
    1,945,605x = 9,660,405,272,220.56
  5. Step 5: Solve for x
    x = 9,660,405,272,220.56/1,945,605
  6. Step 6: Final answer
    x = 4,965,244.88

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.