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Finding the Third Proportional to 18,676.22 and 40,463.63

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Solution

The third proportional to 18,676.22 and 40,463.63 is: 87,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.22 : 40,463.63 = 40,463.63 : x
  2. Step 2: Convert to fraction form
    18,676.22/40,463.63 = 40,463.63/x
  3. Step 3: Cross multiply
    18,676.22x = 40,463.63 × 40,463.63
  4. Step 4: Simplify right side
    18,676.22x = 1,637,304,948.14
  5. Step 5: Solve for x
    x = 1,637,304,948.14/18,676.22
  6. Step 6: Final answer
    x = 87,667.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.