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Finding the Third Proportional to 11,687.63 and 16,233.75

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Solution

The third proportional to 11,687.63 and 16,233.75 is: 22,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.63 : 16,233.75 = 16,233.75 : x
  2. Step 2: Convert to fraction form
    11,687.63/16,233.75 = 16,233.75/x
  3. Step 3: Cross multiply
    11,687.63x = 16,233.75 × 16,233.75
  4. Step 4: Simplify right side
    11,687.63x = 263,534,639.06
  5. Step 5: Solve for x
    x = 263,534,639.06/11,687.63
  6. Step 6: Final answer
    x = 22,548.18

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.