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Finding the Third Proportional to 107,644 and 219,668

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Solution

The third proportional to 107,644 and 219,668 is: 448,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,644 : 219,668 = 219,668 : x
  2. Step 2: Convert to fraction form
    107,644/219,668 = 219,668/x
  3. Step 3: Cross multiply
    107,644x = 219,668 × 219,668
  4. Step 4: Simplify right side
    107,644x = 48,254,030,224
  5. Step 5: Solve for x
    x = 48,254,030,224/107,644
  6. Step 6: Final answer
    x = 448,274.22

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.