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Finding the Third Proportional to 828,939.75 and 1,318,137

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Solution

The third proportional to 828,939.75 and 1,318,137 is: 2,096,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,939.75 : 1,318,137 = 1,318,137 : x
  2. Step 2: Convert to fraction form
    828,939.75/1,318,137 = 1,318,137/x
  3. Step 3: Cross multiply
    828,939.75x = 1,318,137 × 1,318,137
  4. Step 4: Simplify right side
    828,939.75x = 1,737,485,150,769
  5. Step 5: Solve for x
    x = 1,737,485,150,769/828,939.75
  6. Step 6: Final answer
    x = 2,096,033.10

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.