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Finding the Third Proportional to 11,526 and 18,729

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Solution

The third proportional to 11,526 and 18,729 is: 30,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526 : 18,729 = 18,729 : x
  2. Step 2: Convert to fraction form
    11,526/18,729 = 18,729/x
  3. Step 3: Cross multiply
    11,526x = 18,729 × 18,729
  4. Step 4: Simplify right side
    11,526x = 350,775,441
  5. Step 5: Solve for x
    x = 350,775,441/11,526
  6. Step 6: Final answer
    x = 30,433.41

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.