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Finding the Third Proportional to 208,522 and 455,273

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Solution

The third proportional to 208,522 and 455,273 is: 994,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,522 : 455,273 = 455,273 : x
  2. Step 2: Convert to fraction form
    208,522/455,273 = 455,273/x
  3. Step 3: Cross multiply
    208,522x = 455,273 × 455,273
  4. Step 4: Simplify right side
    208,522x = 207,273,504,529
  5. Step 5: Solve for x
    x = 207,273,504,529/208,522
  6. Step 6: Final answer
    x = 994,012.64

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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.