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Finding the Third Proportional to 8,609.06 and 18,855.56

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Solution

The third proportional to 8,609.06 and 18,855.56 is: 41,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.06 : 18,855.56 = 18,855.56 : x
  2. Step 2: Convert to fraction form
    8,609.06/18,855.56 = 18,855.56/x
  3. Step 3: Cross multiply
    8,609.06x = 18,855.56 × 18,855.56
  4. Step 4: Simplify right side
    8,609.06x = 355,532,237.19
  5. Step 5: Solve for x
    x = 355,532,237.19/8,609.06
  6. Step 6: Final answer
    x = 41,297.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.