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Finding the Third Proportional to 327,418.50 and 702,676.50

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Solution

The third proportional to 327,418.50 and 702,676.50 is: 1,508,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,418.50 : 702,676.50 = 702,676.50 : x
  2. Step 2: Convert to fraction form
    327,418.50/702,676.50 = 702,676.50/x
  3. Step 3: Cross multiply
    327,418.50x = 702,676.50 × 702,676.50
  4. Step 4: Simplify right side
    327,418.50x = 493,754,263,652.25
  5. Step 5: Solve for x
    x = 493,754,263,652.25/327,418.50
  6. Step 6: Final answer
    x = 1,508,021.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.