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Finding the Third Proportional to 3,986,036 and 6,189,054

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Solution

The third proportional to 3,986,036 and 6,189,054 is: 9,609,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,036 : 6,189,054 = 6,189,054 : x
  2. Step 2: Convert to fraction form
    3,986,036/6,189,054 = 6,189,054/x
  3. Step 3: Cross multiply
    3,986,036x = 6,189,054 × 6,189,054
  4. Step 4: Simplify right side
    3,986,036x = 38,304,389,414,916
  5. Step 5: Solve for x
    x = 38,304,389,414,916/3,986,036
  6. Step 6: Final answer
    x = 9,609,644.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.