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Finding the Third Proportional to 33,040.50 and 68,817

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Solution

The third proportional to 33,040.50 and 68,817 is: 143,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,040.50 : 68,817 = 68,817 : x
  2. Step 2: Convert to fraction form
    33,040.50/68,817 = 68,817/x
  3. Step 3: Cross multiply
    33,040.50x = 68,817 × 68,817
  4. Step 4: Simplify right side
    33,040.50x = 4,735,779,489
  5. Step 5: Solve for x
    x = 4,735,779,489/33,040.50
  6. Step 6: Final answer
    x = 143,332.56

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.