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Finding the Third Proportional to 1,198.27 and 2,607.47

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Solution

The third proportional to 1,198.27 and 2,607.47 is: 5,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.27 : 2,607.47 = 2,607.47 : x
  2. Step 2: Convert to fraction form
    1,198.27/2,607.47 = 2,607.47/x
  3. Step 3: Cross multiply
    1,198.27x = 2,607.47 × 2,607.47
  4. Step 4: Simplify right side
    1,198.27x = 6,798,893.28
  5. Step 5: Solve for x
    x = 6,798,893.28/1,198.27
  6. Step 6: Final answer
    x = 5,673.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.