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Finding the Third Proportional to 40,143.50 and 82,717

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Solution

The third proportional to 40,143.50 and 82,717 is: 170,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.50 : 82,717 = 82,717 : x
  2. Step 2: Convert to fraction form
    40,143.50/82,717 = 82,717/x
  3. Step 3: Cross multiply
    40,143.50x = 82,717 × 82,717
  4. Step 4: Simplify right side
    40,143.50x = 6,842,102,089
  5. Step 5: Solve for x
    x = 6,842,102,089/40,143.50
  6. Step 6: Final answer
    x = 170,441.09

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.