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Finding the Third Proportional to 270,789 and 587,505

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Solution

The third proportional to 270,789 and 587,505 is: 1,274,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,789 : 587,505 = 587,505 : x
  2. Step 2: Convert to fraction form
    270,789/587,505 = 587,505/x
  3. Step 3: Cross multiply
    270,789x = 587,505 × 587,505
  4. Step 4: Simplify right side
    270,789x = 345,162,125,025
  5. Step 5: Solve for x
    x = 345,162,125,025/270,789
  6. Step 6: Final answer
    x = 1,274,653.42

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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.