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Finding the Third Proportional to 644,771.25 and 1,341,873

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Solution

The third proportional to 644,771.25 and 1,341,873 is: 2,792,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,771.25 : 1,341,873 = 1,341,873 : x
  2. Step 2: Convert to fraction form
    644,771.25/1,341,873 = 1,341,873/x
  3. Step 3: Cross multiply
    644,771.25x = 1,341,873 × 1,341,873
  4. Step 4: Simplify right side
    644,771.25x = 1,800,623,148,129
  5. Step 5: Solve for x
    x = 1,800,623,148,129/644,771.25
  6. Step 6: Final answer
    x = 2,792,654.21

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.