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Finding the Third Proportional to 7,888 and 11,832

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Solution

The third proportional to 7,888 and 11,832 is: 17,748

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888 : 11,832 = 11,832 : x
  2. Step 2: Convert to fraction form
    7,888/11,832 = 11,832/x
  3. Step 3: Cross multiply
    7,888x = 11,832 × 11,832
  4. Step 4: Simplify right side
    7,888x = 139,996,224
  5. Step 5: Solve for x
    x = 139,996,224/7,888
  6. Step 6: Final answer
    x = 17,748

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.