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Finding the Third Proportional to 455,751 and 997,317

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Solution

The third proportional to 455,751 and 997,317 is: 2,182,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,751 : 997,317 = 997,317 : x
  2. Step 2: Convert to fraction form
    455,751/997,317 = 997,317/x
  3. Step 3: Cross multiply
    455,751x = 997,317 × 997,317
  4. Step 4: Simplify right side
    455,751x = 994,641,198,489
  5. Step 5: Solve for x
    x = 994,641,198,489/455,751
  6. Step 6: Final answer
    x = 2,182,422.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.