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Finding the Third Proportional to 11,424.75 and 17,655.75

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Solution

The third proportional to 11,424.75 and 17,655.75 is: 27,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.75 : 17,655.75 = 17,655.75 : x
  2. Step 2: Convert to fraction form
    11,424.75/17,655.75 = 17,655.75/x
  3. Step 3: Cross multiply
    11,424.75x = 17,655.75 × 17,655.75
  4. Step 4: Simplify right side
    11,424.75x = 311,725,508.06
  5. Step 5: Solve for x
    x = 311,725,508.06/11,424.75
  6. Step 6: Final answer
    x = 27,285.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.