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Finding the Third Proportional to 194.63 and 279

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Solution

The third proportional to 194.63 and 279 is: 399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.63 : 279 = 279 : x
  2. Step 2: Convert to fraction form
    194.63/279 = 279/x
  3. Step 3: Cross multiply
    194.63x = 279 × 279
  4. Step 4: Simplify right side
    194.63x = 77,841
  5. Step 5: Solve for x
    x = 77,841/194.63
  6. Step 6: Final answer
    x = 399.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.