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Finding the Third Proportional to 266,962 and 580,388

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Solution

The third proportional to 266,962 and 580,388 is: 1,261,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,962 : 580,388 = 580,388 : x
  2. Step 2: Convert to fraction form
    266,962/580,388 = 580,388/x
  3. Step 3: Cross multiply
    266,962x = 580,388 × 580,388
  4. Step 4: Simplify right side
    266,962x = 336,850,230,544
  5. Step 5: Solve for x
    x = 336,850,230,544/266,962
  6. Step 6: Final answer
    x = 1,261,790.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.