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Finding the Third Proportional to 11,520 and 22,464

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Solution

The third proportional to 11,520 and 22,464 is: 43,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520 : 22,464 = 22,464 : x
  2. Step 2: Convert to fraction form
    11,520/22,464 = 22,464/x
  3. Step 3: Cross multiply
    11,520x = 22,464 × 22,464
  4. Step 4: Simplify right side
    11,520x = 504,631,296
  5. Step 5: Solve for x
    x = 504,631,296/11,520
  6. Step 6: Final answer
    x = 43,804.80

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.