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Finding the Third Proportional to 20,640 and 44,592

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Solution

The third proportional to 20,640 and 44,592 is: 96,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640 : 44,592 = 44,592 : x
  2. Step 2: Convert to fraction form
    20,640/44,592 = 44,592/x
  3. Step 3: Cross multiply
    20,640x = 44,592 × 44,592
  4. Step 4: Simplify right side
    20,640x = 1,988,446,464
  5. Step 5: Solve for x
    x = 1,988,446,464/20,640
  6. Step 6: Final answer
    x = 96,339.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.