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Finding the Third Proportional to 175.44 and 279.25

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Solution

The third proportional to 175.44 and 279.25 is: 444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.44 : 279.25 = 279.25 : x
  2. Step 2: Convert to fraction form
    175.44/279.25 = 279.25/x
  3. Step 3: Cross multiply
    175.44x = 279.25 × 279.25
  4. Step 4: Simplify right side
    175.44x = 77,980.56
  5. Step 5: Solve for x
    x = 77,980.56/175.44
  6. Step 6: Final answer
    x = 444.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.