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Finding the Third Proportional to 219,884 and 479,269

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Solution

The third proportional to 219,884 and 479,269 is: 1,044,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884 : 479,269 = 479,269 : x
  2. Step 2: Convert to fraction form
    219,884/479,269 = 479,269/x
  3. Step 3: Cross multiply
    219,884x = 479,269 × 479,269
  4. Step 4: Simplify right side
    219,884x = 229,698,774,361
  5. Step 5: Solve for x
    x = 229,698,774,361/219,884
  6. Step 6: Final answer
    x = 1,044,636.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.