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Finding the Third Proportional to 293,974.50 and 644,001.75

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Solution

The third proportional to 293,974.50 and 644,001.75 is: 1,410,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,974.50 : 644,001.75 = 644,001.75 : x
  2. Step 2: Convert to fraction form
    293,974.50/644,001.75 = 644,001.75/x
  3. Step 3: Cross multiply
    293,974.50x = 644,001.75 × 644,001.75
  4. Step 4: Simplify right side
    293,974.50x = 414,738,254,003.06
  5. Step 5: Solve for x
    x = 414,738,254,003.06/293,974.50
  6. Step 6: Final answer
    x = 1,410,796.70

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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.