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Finding the Third Proportional to 8,336.50 and 19,679

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Solution

The third proportional to 8,336.50 and 19,679 is: 46,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.50 : 19,679 = 19,679 : x
  2. Step 2: Convert to fraction form
    8,336.50/19,679 = 19,679/x
  3. Step 3: Cross multiply
    8,336.50x = 19,679 × 19,679
  4. Step 4: Simplify right side
    8,336.50x = 387,263,041
  5. Step 5: Solve for x
    x = 387,263,041/8,336.50
  6. Step 6: Final answer
    x = 46,453.91

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.