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Finding the Third Proportional to 20,644 and 43,964

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Solution

The third proportional to 20,644 and 43,964 is: 93,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644 : 43,964 = 43,964 : x
  2. Step 2: Convert to fraction form
    20,644/43,964 = 43,964/x
  3. Step 3: Cross multiply
    20,644x = 43,964 × 43,964
  4. Step 4: Simplify right side
    20,644x = 1,932,833,296
  5. Step 5: Solve for x
    x = 1,932,833,296/20,644
  6. Step 6: Final answer
    x = 93,626.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.