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Finding the Third Proportional to 279,384.50 and 603,422

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Solution

The third proportional to 279,384.50 and 603,422 is: 1,303,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,384.50 : 603,422 = 603,422 : x
  2. Step 2: Convert to fraction form
    279,384.50/603,422 = 603,422/x
  3. Step 3: Cross multiply
    279,384.50x = 603,422 × 603,422
  4. Step 4: Simplify right side
    279,384.50x = 364,118,110,084
  5. Step 5: Solve for x
    x = 364,118,110,084/279,384.50
  6. Step 6: Final answer
    x = 1,303,286.73

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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.