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Finding the Third Proportional to 13,648.50 and 18,785.25

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Solution

The third proportional to 13,648.50 and 18,785.25 is: 25,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.50 : 18,785.25 = 18,785.25 : x
  2. Step 2: Convert to fraction form
    13,648.50/18,785.25 = 18,785.25/x
  3. Step 3: Cross multiply
    13,648.50x = 18,785.25 × 18,785.25
  4. Step 4: Simplify right side
    13,648.50x = 352,885,617.56
  5. Step 5: Solve for x
    x = 352,885,617.56/13,648.50
  6. Step 6: Final answer
    x = 25,855.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.