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Finding the Third Proportional to 5,365.97 and 8,208.47

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Solution

The third proportional to 5,365.97 and 8,208.47 is: 12,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.97 : 8,208.47 = 8,208.47 : x
  2. Step 2: Convert to fraction form
    5,365.97/8,208.47 = 8,208.47/x
  3. Step 3: Cross multiply
    5,365.97x = 8,208.47 × 8,208.47
  4. Step 4: Simplify right side
    5,365.97x = 67,378,959.22
  5. Step 5: Solve for x
    x = 67,378,959.22/5,365.97
  6. Step 6: Final answer
    x = 12,556.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.