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Finding the Third Proportional to 1,900,661 and 4,135,933

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Solution

The third proportional to 1,900,661 and 4,135,933 is: 8,999,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,661 : 4,135,933 = 4,135,933 : x
  2. Step 2: Convert to fraction form
    1,900,661/4,135,933 = 4,135,933/x
  3. Step 3: Cross multiply
    1,900,661x = 4,135,933 × 4,135,933
  4. Step 4: Simplify right side
    1,900,661x = 17,105,941,780,489
  5. Step 5: Solve for x
    x = 17,105,941,780,489/1,900,661
  6. Step 6: Final answer
    x = 8,999,996.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.