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Finding the Third Proportional to 1,976.27 and 4,349.79

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Solution

The third proportional to 1,976.27 and 4,349.79 is: 9,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.27 : 4,349.79 = 4,349.79 : x
  2. Step 2: Convert to fraction form
    1,976.27/4,349.79 = 4,349.79/x
  3. Step 3: Cross multiply
    1,976.27x = 4,349.79 × 4,349.79
  4. Step 4: Simplify right side
    1,976.27x = 18,920,715.86
  5. Step 5: Solve for x
    x = 18,920,715.86/1,976.27
  6. Step 6: Final answer
    x = 9,573.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.