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Finding the Third Proportional to 12,198.75 and 26,628.75

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Solution

The third proportional to 12,198.75 and 26,628.75 is: 58,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.75 : 26,628.75 = 26,628.75 : x
  2. Step 2: Convert to fraction form
    12,198.75/26,628.75 = 26,628.75/x
  3. Step 3: Cross multiply
    12,198.75x = 26,628.75 × 26,628.75
  4. Step 4: Simplify right side
    12,198.75x = 709,090,326.56
  5. Step 5: Solve for x
    x = 709,090,326.56/12,198.75
  6. Step 6: Final answer
    x = 58,128.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.