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Finding the Third Proportional to 803,900 and 1,279,647

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Solution

The third proportional to 803,900 and 1,279,647 is: 2,036,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,900 : 1,279,647 = 1,279,647 : x
  2. Step 2: Convert to fraction form
    803,900/1,279,647 = 1,279,647/x
  3. Step 3: Cross multiply
    803,900x = 1,279,647 × 1,279,647
  4. Step 4: Simplify right side
    803,900x = 1,637,496,444,609
  5. Step 5: Solve for x
    x = 1,637,496,444,609/803,900
  6. Step 6: Final answer
    x = 2,036,940.47

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.