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Finding the Third Proportional to 267,369 and 389,014.75

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Solution

The third proportional to 267,369 and 389,014.75 is: 566,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,369 : 389,014.75 = 389,014.75 : x
  2. Step 2: Convert to fraction form
    267,369/389,014.75 = 389,014.75/x
  3. Step 3: Cross multiply
    267,369x = 389,014.75 × 389,014.75
  4. Step 4: Simplify right side
    267,369x = 151,332,475,717.56
  5. Step 5: Solve for x
    x = 151,332,475,717.56/267,369
  6. Step 6: Final answer
    x = 566,006.07

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.