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Finding the Third Proportional to 984,640 and 2,318,230

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Solution

The third proportional to 984,640 and 2,318,230 is: 5,458,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,640 : 2,318,230 = 2,318,230 : x
  2. Step 2: Convert to fraction form
    984,640/2,318,230 = 2,318,230/x
  3. Step 3: Cross multiply
    984,640x = 2,318,230 × 2,318,230
  4. Step 4: Simplify right side
    984,640x = 5,374,190,332,900
  5. Step 5: Solve for x
    x = 5,374,190,332,900/984,640
  6. Step 6: Final answer
    x = 5,458,025.61

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.