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Finding the Third Proportional to 5,239.69 and 11,458.97

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Solution

The third proportional to 5,239.69 and 11,458.97 is: 25,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.69 : 11,458.97 = 11,458.97 : x
  2. Step 2: Convert to fraction form
    5,239.69/11,458.97 = 11,458.97/x
  3. Step 3: Cross multiply
    5,239.69x = 11,458.97 × 11,458.97
  4. Step 4: Simplify right side
    5,239.69x = 131,307,964.81
  5. Step 5: Solve for x
    x = 131,307,964.81/5,239.69
  6. Step 6: Final answer
    x = 25,060.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.