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Finding the Third Proportional to 11,763 and 18,724.50

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Solution

The third proportional to 11,763 and 18,724.50 is: 29,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763 : 18,724.50 = 18,724.50 : x
  2. Step 2: Convert to fraction form
    11,763/18,724.50 = 18,724.50/x
  3. Step 3: Cross multiply
    11,763x = 18,724.50 × 18,724.50
  4. Step 4: Simplify right side
    11,763x = 350,606,900.25
  5. Step 5: Solve for x
    x = 350,606,900.25/11,763
  6. Step 6: Final answer
    x = 29,805.91

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.