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Finding the Third Proportional to 3,924.07 and 6,615.11

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Solution

The third proportional to 3,924.07 and 6,615.11 is: 11,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.07 : 6,615.11 = 6,615.11 : x
  2. Step 2: Convert to fraction form
    3,924.07/6,615.11 = 6,615.11/x
  3. Step 3: Cross multiply
    3,924.07x = 6,615.11 × 6,615.11
  4. Step 4: Simplify right side
    3,924.07x = 43,759,620.36
  5. Step 5: Solve for x
    x = 43,759,620.36/3,924.07
  6. Step 6: Final answer
    x = 11,151.59

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Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.