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Finding the Third Proportional to 348.50 and 377

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Solution

The third proportional to 348.50 and 377 is: 407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.50 : 377 = 377 : x
  2. Step 2: Convert to fraction form
    348.50/377 = 377/x
  3. Step 3: Cross multiply
    348.50x = 377 × 377
  4. Step 4: Simplify right side
    348.50x = 142,129
  5. Step 5: Solve for x
    x = 142,129/348.50
  6. Step 6: Final answer
    x = 407.83

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.