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Finding the Third Proportional to 11,264 and 18,768

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Solution

The third proportional to 11,264 and 18,768 is: 31,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264 : 18,768 = 18,768 : x
  2. Step 2: Convert to fraction form
    11,264/18,768 = 18,768/x
  3. Step 3: Cross multiply
    11,264x = 18,768 × 18,768
  4. Step 4: Simplify right side
    11,264x = 352,237,824
  5. Step 5: Solve for x
    x = 352,237,824/11,264
  6. Step 6: Final answer
    x = 31,271.11

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.