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Finding the Third Proportional to 997,722.75 and 2,188,587

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Solution

The third proportional to 997,722.75 and 2,188,587 is: 4,800,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,722.75 : 2,188,587 = 2,188,587 : x
  2. Step 2: Convert to fraction form
    997,722.75/2,188,587 = 2,188,587/x
  3. Step 3: Cross multiply
    997,722.75x = 2,188,587 × 2,188,587
  4. Step 4: Simplify right side
    997,722.75x = 4,789,913,056,569
  5. Step 5: Solve for x
    x = 4,789,913,056,569/997,722.75
  6. Step 6: Final answer
    x = 4,800,845.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.