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Finding the Third Proportional to 4,738.50 and 12,889.13

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Solution

The third proportional to 4,738.50 and 12,889.13 is: 35,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.50 : 12,889.13 = 12,889.13 : x
  2. Step 2: Convert to fraction form
    4,738.50/12,889.13 = 12,889.13/x
  3. Step 3: Cross multiply
    4,738.50x = 12,889.13 × 12,889.13
  4. Step 4: Simplify right side
    4,738.50x = 166,129,543.27
  5. Step 5: Solve for x
    x = 166,129,543.27/4,738.50
  6. Step 6: Final answer
    x = 35,059.52

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.