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Finding the Third Proportional to 18,224.44 and 39,216.94

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Solution

The third proportional to 18,224.44 and 39,216.94 is: 84,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.44 : 39,216.94 = 39,216.94 : x
  2. Step 2: Convert to fraction form
    18,224.44/39,216.94 = 39,216.94/x
  3. Step 3: Cross multiply
    18,224.44x = 39,216.94 × 39,216.94
  4. Step 4: Simplify right side
    18,224.44x = 1,537,968,186.88
  5. Step 5: Solve for x
    x = 1,537,968,186.88/18,224.44
  6. Step 6: Final answer
    x = 84,390.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.