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Finding the Third Proportional to 15,257.25 and 31,494.75

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Solution

The third proportional to 15,257.25 and 31,494.75 is: 65,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.25 : 31,494.75 = 31,494.75 : x
  2. Step 2: Convert to fraction form
    15,257.25/31,494.75 = 31,494.75/x
  3. Step 3: Cross multiply
    15,257.25x = 31,494.75 × 31,494.75
  4. Step 4: Simplify right side
    15,257.25x = 991,919,277.56
  5. Step 5: Solve for x
    x = 991,919,277.56/15,257.25
  6. Step 6: Final answer
    x = 65,012.98

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.