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Finding the Third Proportional to 931,686 and 2,005,917

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Solution

The third proportional to 931,686 and 2,005,917 is: 4,318,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,686 : 2,005,917 = 2,005,917 : x
  2. Step 2: Convert to fraction form
    931,686/2,005,917 = 2,005,917/x
  3. Step 3: Cross multiply
    931,686x = 2,005,917 × 2,005,917
  4. Step 4: Simplify right side
    931,686x = 4,023,703,010,889
  5. Step 5: Solve for x
    x = 4,023,703,010,889/931,686
  6. Step 6: Final answer
    x = 4,318,732.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.