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Finding the Third Proportional to 174.88 and 383.44

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Solution

The third proportional to 174.88 and 383.44 is: 840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.88 : 383.44 = 383.44 : x
  2. Step 2: Convert to fraction form
    174.88/383.44 = 383.44/x
  3. Step 3: Cross multiply
    174.88x = 383.44 × 383.44
  4. Step 4: Simplify right side
    174.88x = 147,024.32
  5. Step 5: Solve for x
    x = 147,024.32/174.88
  6. Step 6: Final answer
    x = 840.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.