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Finding the Third Proportional to 279,539 and 603,339

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Solution

The third proportional to 279,539 and 603,339 is: 1,302,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,539 : 603,339 = 603,339 : x
  2. Step 2: Convert to fraction form
    279,539/603,339 = 603,339/x
  3. Step 3: Cross multiply
    279,539x = 603,339 × 603,339
  4. Step 4: Simplify right side
    279,539x = 364,017,948,921
  5. Step 5: Solve for x
    x = 364,017,948,921/279,539
  6. Step 6: Final answer
    x = 1,302,208.10

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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.