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Finding the Third Proportional to 4,121.63 and 6,105.56

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Solution

The third proportional to 4,121.63 and 6,105.56 is: 9,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.63 : 6,105.56 = 6,105.56 : x
  2. Step 2: Convert to fraction form
    4,121.63/6,105.56 = 6,105.56/x
  3. Step 3: Cross multiply
    4,121.63x = 6,105.56 × 6,105.56
  4. Step 4: Simplify right side
    4,121.63x = 37,277,893.44
  5. Step 5: Solve for x
    x = 37,277,893.44/4,121.63
  6. Step 6: Final answer
    x = 9,044.47

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.