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Finding the Third Proportional to 279,556 and 372,448

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Solution

The third proportional to 279,556 and 372,448 is: 496,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,556 : 372,448 = 372,448 : x
  2. Step 2: Convert to fraction form
    279,556/372,448 = 372,448/x
  3. Step 3: Cross multiply
    279,556x = 372,448 × 372,448
  4. Step 4: Simplify right side
    279,556x = 138,717,512,704
  5. Step 5: Solve for x
    x = 138,717,512,704/279,556
  6. Step 6: Final answer
    x = 496,206.53

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.