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Finding the Third Proportional to 208,520.25 and 455,267.25

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Solution

The third proportional to 208,520.25 and 455,267.25 is: 993,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,520.25 : 455,267.25 = 455,267.25 : x
  2. Step 2: Convert to fraction form
    208,520.25/455,267.25 = 455,267.25/x
  3. Step 3: Cross multiply
    208,520.25x = 455,267.25 × 455,267.25
  4. Step 4: Simplify right side
    208,520.25x = 207,268,268,922.56
  5. Step 5: Solve for x
    x = 207,268,268,922.56/208,520.25
  6. Step 6: Final answer
    x = 993,995.88

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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.