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Finding the Third Proportional to 395,218 and 867,250

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Solution

The third proportional to 395,218 and 867,250 is: 1,903,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,218 : 867,250 = 867,250 : x
  2. Step 2: Convert to fraction form
    395,218/867,250 = 867,250/x
  3. Step 3: Cross multiply
    395,218x = 867,250 × 867,250
  4. Step 4: Simplify right side
    395,218x = 752,122,562,500
  5. Step 5: Solve for x
    x = 752,122,562,500/395,218
  6. Step 6: Final answer
    x = 1,903,057.46

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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.