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Finding the Third Proportional to 279,556 and 603,608

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Solution

The third proportional to 279,556 and 603,608 is: 1,303,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,556 : 603,608 = 603,608 : x
  2. Step 2: Convert to fraction form
    279,556/603,608 = 603,608/x
  3. Step 3: Cross multiply
    279,556x = 603,608 × 603,608
  4. Step 4: Simplify right side
    279,556x = 364,342,617,664
  5. Step 5: Solve for x
    x = 364,342,617,664/279,556
  6. Step 6: Final answer
    x = 1,303,290.28

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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.