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Finding the Third Proportional to 279,792 and 603,800

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Solution

The third proportional to 279,792 and 603,800 is: 1,303,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,792 : 603,800 = 603,800 : x
  2. Step 2: Convert to fraction form
    279,792/603,800 = 603,800/x
  3. Step 3: Cross multiply
    279,792x = 603,800 × 603,800
  4. Step 4: Simplify right side
    279,792x = 364,574,440,000
  5. Step 5: Solve for x
    x = 364,574,440,000/279,792
  6. Step 6: Final answer
    x = 1,303,019.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.