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Finding the Third Proportional to 395,325 and 850,689

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Solution

The third proportional to 395,325 and 850,689 is: 1,830,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,325 : 850,689 = 850,689 : x
  2. Step 2: Convert to fraction form
    395,325/850,689 = 850,689/x
  3. Step 3: Cross multiply
    395,325x = 850,689 × 850,689
  4. Step 4: Simplify right side
    395,325x = 723,671,774,721
  5. Step 5: Solve for x
    x = 723,671,774,721/395,325
  6. Step 6: Final answer
    x = 1,830,574.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.