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Finding the Third Proportional to 267,620 and 366,985

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Solution

The third proportional to 267,620 and 366,985 is: 503,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,620 : 366,985 = 366,985 : x
  2. Step 2: Convert to fraction form
    267,620/366,985 = 366,985/x
  3. Step 3: Cross multiply
    267,620x = 366,985 × 366,985
  4. Step 4: Simplify right side
    267,620x = 134,677,990,225
  5. Step 5: Solve for x
    x = 134,677,990,225/267,620
  6. Step 6: Final answer
    x = 503,243.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.