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Finding the Third Proportional to 278,504 and 571,756

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Solution

The third proportional to 278,504 and 571,756 is: 1,173,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,504 : 571,756 = 571,756 : x
  2. Step 2: Convert to fraction form
    278,504/571,756 = 571,756/x
  3. Step 3: Cross multiply
    278,504x = 571,756 × 571,756
  4. Step 4: Simplify right side
    278,504x = 326,904,923,536
  5. Step 5: Solve for x
    x = 326,904,923,536/278,504
  6. Step 6: Final answer
    x = 1,173,788.97

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.