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Finding the Third Proportional to 18,610.86 and 40,296.71

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Solution

The third proportional to 18,610.86 and 40,296.71 is: 87,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.86 : 40,296.71 = 40,296.71 : x
  2. Step 2: Convert to fraction form
    18,610.86/40,296.71 = 40,296.71/x
  3. Step 3: Cross multiply
    18,610.86x = 40,296.71 × 40,296.71
  4. Step 4: Simplify right side
    18,610.86x = 1,623,824,754.97
  5. Step 5: Solve for x
    x = 1,623,824,754.97/18,610.86
  6. Step 6: Final answer
    x = 87,251.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.