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Finding the Third Proportional to 279,882 and 603,988

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Solution

The third proportional to 279,882 and 603,988 is: 1,303,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,882 : 603,988 = 603,988 : x
  2. Step 2: Convert to fraction form
    279,882/603,988 = 603,988/x
  3. Step 3: Cross multiply
    279,882x = 603,988 × 603,988
  4. Step 4: Simplify right side
    279,882x = 364,801,504,144
  5. Step 5: Solve for x
    x = 364,801,504,144/279,882
  6. Step 6: Final answer
    x = 1,303,411.81

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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.