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Finding the Third Proportional to 208,444 and 455,768

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Solution

The third proportional to 208,444 and 455,768 is: 996,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,444 : 455,768 = 455,768 : x
  2. Step 2: Convert to fraction form
    208,444/455,768 = 455,768/x
  3. Step 3: Cross multiply
    208,444x = 455,768 × 455,768
  4. Step 4: Simplify right side
    208,444x = 207,724,469,824
  5. Step 5: Solve for x
    x = 207,724,469,824/208,444
  6. Step 6: Final answer
    x = 996,548.09

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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.