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Finding the Third Proportional to 231,491.25 and 347,851.13

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Solution

The third proportional to 231,491.25 and 347,851.13 is: 522,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,491.25 : 347,851.13 = 347,851.13 : x
  2. Step 2: Convert to fraction form
    231,491.25/347,851.13 = 347,851.13/x
  3. Step 3: Cross multiply
    231,491.25x = 347,851.13 × 347,851.13
  4. Step 4: Simplify right side
    231,491.25x = 121,000,405,163.77
  5. Step 5: Solve for x
    x = 121,000,405,163.77/231,491.25
  6. Step 6: Final answer
    x = 522,699.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.