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Finding the Third Proportional to 279,698 and 603,622

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Solution

The third proportional to 279,698 and 603,622 is: 1,302,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,698 : 603,622 = 603,622 : x
  2. Step 2: Convert to fraction form
    279,698/603,622 = 603,622/x
  3. Step 3: Cross multiply
    279,698x = 603,622 × 603,622
  4. Step 4: Simplify right side
    279,698x = 364,359,518,884
  5. Step 5: Solve for x
    x = 364,359,518,884/279,698
  6. Step 6: Final answer
    x = 1,302,689.04

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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.