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Finding the Third Proportional to 261,966.50 and 394,247.50

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Solution

The third proportional to 261,966.50 and 394,247.50 is: 593,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,966.50 : 394,247.50 = 394,247.50 : x
  2. Step 2: Convert to fraction form
    261,966.50/394,247.50 = 394,247.50/x
  3. Step 3: Cross multiply
    261,966.50x = 394,247.50 × 394,247.50
  4. Step 4: Simplify right side
    261,966.50x = 155,431,091,256.25
  5. Step 5: Solve for x
    x = 155,431,091,256.25/261,966.50
  6. Step 6: Final answer
    x = 593,324.30

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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.