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Finding the Third Proportional to 298,086 and 450,983

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Solution

The third proportional to 298,086 and 450,983 is: 682,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,086 : 450,983 = 450,983 : x
  2. Step 2: Convert to fraction form
    298,086/450,983 = 450,983/x
  3. Step 3: Cross multiply
    298,086x = 450,983 × 450,983
  4. Step 4: Simplify right side
    298,086x = 203,385,666,289
  5. Step 5: Solve for x
    x = 203,385,666,289/298,086
  6. Step 6: Final answer
    x = 682,305.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.