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Finding the Third Proportional to 12,235.50 and 18,324

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Solution

The third proportional to 12,235.50 and 18,324 is: 27,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.50 : 18,324 = 18,324 : x
  2. Step 2: Convert to fraction form
    12,235.50/18,324 = 18,324/x
  3. Step 3: Cross multiply
    12,235.50x = 18,324 × 18,324
  4. Step 4: Simplify right side
    12,235.50x = 335,768,976
  5. Step 5: Solve for x
    x = 335,768,976/12,235.50
  6. Step 6: Final answer
    x = 27,442.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.