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Finding the Third Proportional to 18,004.78 and 25,935.19

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Solution

The third proportional to 18,004.78 and 25,935.19 is: 37,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.78 : 25,935.19 = 25,935.19 : x
  2. Step 2: Convert to fraction form
    18,004.78/25,935.19 = 25,935.19/x
  3. Step 3: Cross multiply
    18,004.78x = 25,935.19 × 25,935.19
  4. Step 4: Simplify right side
    18,004.78x = 672,633,950.66
  5. Step 5: Solve for x
    x = 672,633,950.66/18,004.78
  6. Step 6: Final answer
    x = 37,358.63

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.