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Finding the Third Proportional to 603,667 and 1,279,278

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Solution

The third proportional to 603,667 and 1,279,278 is: 2,711,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,667 : 1,279,278 = 1,279,278 : x
  2. Step 2: Convert to fraction form
    603,667/1,279,278 = 1,279,278/x
  3. Step 3: Cross multiply
    603,667x = 1,279,278 × 1,279,278
  4. Step 4: Simplify right side
    603,667x = 1,636,552,201,284
  5. Step 5: Solve for x
    x = 1,636,552,201,284/603,667
  6. Step 6: Final answer
    x = 2,711,018.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.