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Finding the Third Proportional to 7,575.75 and 11,629.13

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Solution

The third proportional to 7,575.75 and 11,629.13 is: 17,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.75 : 11,629.13 = 11,629.13 : x
  2. Step 2: Convert to fraction form
    7,575.75/11,629.13 = 11,629.13/x
  3. Step 3: Cross multiply
    7,575.75x = 11,629.13 × 11,629.13
  4. Step 4: Simplify right side
    7,575.75x = 135,236,548.27
  5. Step 5: Solve for x
    x = 135,236,548.27/7,575.75
  6. Step 6: Final answer
    x = 17,851.24

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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.