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Finding the Third Proportional to 245,866 and 500,756

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Solution

The third proportional to 245,866 and 500,756 is: 1,019,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,866 : 500,756 = 500,756 : x
  2. Step 2: Convert to fraction form
    245,866/500,756 = 500,756/x
  3. Step 3: Cross multiply
    245,866x = 500,756 × 500,756
  4. Step 4: Simplify right side
    245,866x = 250,756,571,536
  5. Step 5: Solve for x
    x = 250,756,571,536/245,866
  6. Step 6: Final answer
    x = 1,019,891.21

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.