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Finding the Third Proportional to 279,868.50 and 603,963

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Solution

The third proportional to 279,868.50 and 603,963 is: 1,303,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,868.50 : 603,963 = 603,963 : x
  2. Step 2: Convert to fraction form
    279,868.50/603,963 = 603,963/x
  3. Step 3: Cross multiply
    279,868.50x = 603,963 × 603,963
  4. Step 4: Simplify right side
    279,868.50x = 364,771,305,369
  5. Step 5: Solve for x
    x = 364,771,305,369/279,868.50
  6. Step 6: Final answer
    x = 1,303,366.78

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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.