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Finding the Third Proportional to 20,668 and 44,768

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Solution

The third proportional to 20,668 and 44,768 is: 96,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,668 : 44,768 = 44,768 : x
  2. Step 2: Convert to fraction form
    20,668/44,768 = 44,768/x
  3. Step 3: Cross multiply
    20,668x = 44,768 × 44,768
  4. Step 4: Simplify right side
    20,668x = 2,004,173,824
  5. Step 5: Solve for x
    x = 2,004,173,824/20,668
  6. Step 6: Final answer
    x = 96,969.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.