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Finding the Third Proportional to 636,917 and 994,134

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Solution

The third proportional to 636,917 and 994,134 is: 1,551,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,917 : 994,134 = 994,134 : x
  2. Step 2: Convert to fraction form
    636,917/994,134 = 994,134/x
  3. Step 3: Cross multiply
    636,917x = 994,134 × 994,134
  4. Step 4: Simplify right side
    636,917x = 988,302,409,956
  5. Step 5: Solve for x
    x = 988,302,409,956/636,917
  6. Step 6: Final answer
    x = 1,551,697.33

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.