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Finding the Third Proportional to 8,236.13 and 18,113.63

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Solution

The third proportional to 8,236.13 and 18,113.63 is: 39,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.13 : 18,113.63 = 18,113.63 : x
  2. Step 2: Convert to fraction form
    8,236.13/18,113.63 = 18,113.63/x
  3. Step 3: Cross multiply
    8,236.13x = 18,113.63 × 18,113.63
  4. Step 4: Simplify right side
    8,236.13x = 328,103,410.64
  5. Step 5: Solve for x
    x = 328,103,410.64/8,236.13
  6. Step 6: Final answer
    x = 39,837.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.