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Finding the Third Proportional to 2,835.84 and 3,072.09

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Solution

The third proportional to 2,835.84 and 3,072.09 is: 3,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.84 : 3,072.09 = 3,072.09 : x
  2. Step 2: Convert to fraction form
    2,835.84/3,072.09 = 3,072.09/x
  3. Step 3: Cross multiply
    2,835.84x = 3,072.09 × 3,072.09
  4. Step 4: Simplify right side
    2,835.84x = 9,437,760.01
  5. Step 5: Solve for x
    x = 9,437,760.01/2,835.84
  6. Step 6: Final answer
    x = 3,328.03

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.