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Finding the Third Proportional to 931,687 and 2,005,919

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Solution

The third proportional to 931,687 and 2,005,919 is: 4,318,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,687 : 2,005,919 = 2,005,919 : x
  2. Step 2: Convert to fraction form
    931,687/2,005,919 = 2,005,919/x
  3. Step 3: Cross multiply
    931,687x = 2,005,919 × 2,005,919
  4. Step 4: Simplify right side
    931,687x = 4,023,711,034,561
  5. Step 5: Solve for x
    x = 4,023,711,034,561/931,687
  6. Step 6: Final answer
    x = 4,318,736.91

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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.