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Finding the Third Proportional to 7,996.50 and 18,678

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Solution

The third proportional to 7,996.50 and 18,678 is: 43,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.50 : 18,678 = 18,678 : x
  2. Step 2: Convert to fraction form
    7,996.50/18,678 = 18,678/x
  3. Step 3: Cross multiply
    7,996.50x = 18,678 × 18,678
  4. Step 4: Simplify right side
    7,996.50x = 348,867,684
  5. Step 5: Solve for x
    x = 348,867,684/7,996.50
  6. Step 6: Final answer
    x = 43,627.55

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.