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Finding the Third Proportional to 8,676 and 18,463.50

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Solution

The third proportional to 8,676 and 18,463.50 is: 39,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676 : 18,463.50 = 18,463.50 : x
  2. Step 2: Convert to fraction form
    8,676/18,463.50 = 18,463.50/x
  3. Step 3: Cross multiply
    8,676x = 18,463.50 × 18,463.50
  4. Step 4: Simplify right side
    8,676x = 340,900,832.25
  5. Step 5: Solve for x
    x = 340,900,832.25/8,676
  6. Step 6: Final answer
    x = 39,292.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.