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Finding the Third Proportional to 2,724.38 and 4,192.69

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Solution

The third proportional to 2,724.38 and 4,192.69 is: 6,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.38 : 4,192.69 = 4,192.69 : x
  2. Step 2: Convert to fraction form
    2,724.38/4,192.69 = 4,192.69/x
  3. Step 3: Cross multiply
    2,724.38x = 4,192.69 × 4,192.69
  4. Step 4: Simplify right side
    2,724.38x = 17,578,628.47
  5. Step 5: Solve for x
    x = 17,578,628.47/2,724.38
  6. Step 6: Final answer
    x = 6,452.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.