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Finding the Third Proportional to 1,987,296 and 4,310,661

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Solution

The third proportional to 1,987,296 and 4,310,661 is: 9,350,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,296 : 4,310,661 = 4,310,661 : x
  2. Step 2: Convert to fraction form
    1,987,296/4,310,661 = 4,310,661/x
  3. Step 3: Cross multiply
    1,987,296x = 4,310,661 × 4,310,661
  4. Step 4: Simplify right side
    1,987,296x = 18,581,798,256,921
  5. Step 5: Solve for x
    x = 18,581,798,256,921/1,987,296
  6. Step 6: Final answer
    x = 9,350,292.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.