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Finding the Third Proportional to 219,483 and 471,711

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Solution

The third proportional to 219,483 and 471,711 is: 1,013,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,483 : 471,711 = 471,711 : x
  2. Step 2: Convert to fraction form
    219,483/471,711 = 471,711/x
  3. Step 3: Cross multiply
    219,483x = 471,711 × 471,711
  4. Step 4: Simplify right side
    219,483x = 222,511,267,521
  5. Step 5: Solve for x
    x = 222,511,267,521/219,483
  6. Step 6: Final answer
    x = 1,013,797.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.