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Finding the Third Proportional to 395,890 and 863,232

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Solution

The third proportional to 395,890 and 863,232 is: 1,882,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,890 : 863,232 = 863,232 : x
  2. Step 2: Convert to fraction form
    395,890/863,232 = 863,232/x
  3. Step 3: Cross multiply
    395,890x = 863,232 × 863,232
  4. Step 4: Simplify right side
    395,890x = 745,169,485,824
  5. Step 5: Solve for x
    x = 745,169,485,824/395,890
  6. Step 6: Final answer
    x = 1,882,263.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.