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Finding the Third Proportional to 5,265.75 and 12,190.13

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Solution

The third proportional to 5,265.75 and 12,190.13 is: 28,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.75 : 12,190.13 = 12,190.13 : x
  2. Step 2: Convert to fraction form
    5,265.75/12,190.13 = 12,190.13/x
  3. Step 3: Cross multiply
    5,265.75x = 12,190.13 × 12,190.13
  4. Step 4: Simplify right side
    5,265.75x = 148,599,147.52
  5. Step 5: Solve for x
    x = 148,599,147.52/5,265.75
  6. Step 6: Final answer
    x = 28,219.94

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.