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Finding the Third Proportional to 455,248 and 994,576

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Solution

The third proportional to 455,248 and 994,576 is: 2,172,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,248 : 994,576 = 994,576 : x
  2. Step 2: Convert to fraction form
    455,248/994,576 = 994,576/x
  3. Step 3: Cross multiply
    455,248x = 994,576 × 994,576
  4. Step 4: Simplify right side
    455,248x = 989,181,419,776
  5. Step 5: Solve for x
    x = 989,181,419,776/455,248
  6. Step 6: Final answer
    x = 2,172,840.78

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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.