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Finding the Third Proportional to 850,787.50 and 1,318,009

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Solution

The third proportional to 850,787.50 and 1,318,009 is: 2,041,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,787.50 : 1,318,009 = 1,318,009 : x
  2. Step 2: Convert to fraction form
    850,787.50/1,318,009 = 1,318,009/x
  3. Step 3: Cross multiply
    850,787.50x = 1,318,009 × 1,318,009
  4. Step 4: Simplify right side
    850,787.50x = 1,737,147,724,081
  5. Step 5: Solve for x
    x = 1,737,147,724,081/850,787.50
  6. Step 6: Final answer
    x = 2,041,811.53

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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.