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Finding the Third Proportional to 211,318.50 and 327,717

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Solution

The third proportional to 211,318.50 and 327,717 is: 508,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,318.50 : 327,717 = 327,717 : x
  2. Step 2: Convert to fraction form
    211,318.50/327,717 = 327,717/x
  3. Step 3: Cross multiply
    211,318.50x = 327,717 × 327,717
  4. Step 4: Simplify right side
    211,318.50x = 107,398,432,089
  5. Step 5: Solve for x
    x = 107,398,432,089/211,318.50
  6. Step 6: Final answer
    x = 508,230.15

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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.