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Finding the Third Proportional to 9,004.50 and 13,631

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Solution

The third proportional to 9,004.50 and 13,631 is: 20,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.50 : 13,631 = 13,631 : x
  2. Step 2: Convert to fraction form
    9,004.50/13,631 = 13,631/x
  3. Step 3: Cross multiply
    9,004.50x = 13,631 × 13,631
  4. Step 4: Simplify right side
    9,004.50x = 185,804,161
  5. Step 5: Solve for x
    x = 185,804,161/9,004.50
  6. Step 6: Final answer
    x = 20,634.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.