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Finding the Third Proportional to 9,006.50 and 13,633.75

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Solution

The third proportional to 9,006.50 and 13,633.75 is: 20,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.50 : 13,633.75 = 13,633.75 : x
  2. Step 2: Convert to fraction form
    9,006.50/13,633.75 = 13,633.75/x
  3. Step 3: Cross multiply
    9,006.50x = 13,633.75 × 13,633.75
  4. Step 4: Simplify right side
    9,006.50x = 185,879,139.06
  5. Step 5: Solve for x
    x = 185,879,139.06/9,006.50
  6. Step 6: Final answer
    x = 20,638.33

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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.