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Finding the Third Proportional to 12,009.94 and 18,663.75

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Solution

The third proportional to 12,009.94 and 18,663.75 is: 29,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.94 : 18,663.75 = 18,663.75 : x
  2. Step 2: Convert to fraction form
    12,009.94/18,663.75 = 18,663.75/x
  3. Step 3: Cross multiply
    12,009.94x = 18,663.75 × 18,663.75
  4. Step 4: Simplify right side
    12,009.94x = 348,335,564.06
  5. Step 5: Solve for x
    x = 348,335,564.06/12,009.94
  6. Step 6: Final answer
    x = 29,003.94

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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.