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Finding the Third Proportional to 8,486.02 and 18,578.11

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Solution

The third proportional to 8,486.02 and 18,578.11 is: 40,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.02 : 18,578.11 = 18,578.11 : x
  2. Step 2: Convert to fraction form
    8,486.02/18,578.11 = 18,578.11/x
  3. Step 3: Cross multiply
    8,486.02x = 18,578.11 × 18,578.11
  4. Step 4: Simplify right side
    8,486.02x = 345,146,147.95
  5. Step 5: Solve for x
    x = 345,146,147.95/8,486.02
  6. Step 6: Final answer
    x = 40,672.34

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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.