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Finding the Third Proportional to 211,518 and 327,675

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Solution

The third proportional to 211,518 and 327,675 is: 507,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,518 : 327,675 = 327,675 : x
  2. Step 2: Convert to fraction form
    211,518/327,675 = 327,675/x
  3. Step 3: Cross multiply
    211,518x = 327,675 × 327,675
  4. Step 4: Simplify right side
    211,518x = 107,370,905,625
  5. Step 5: Solve for x
    x = 107,370,905,625/211,518
  6. Step 6: Final answer
    x = 507,620.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.