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Finding the Third Proportional to 348.75 and 758

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Solution

The third proportional to 348.75 and 758 is: 1,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.75 : 758 = 758 : x
  2. Step 2: Convert to fraction form
    348.75/758 = 758/x
  3. Step 3: Cross multiply
    348.75x = 758 × 758
  4. Step 4: Simplify right side
    348.75x = 574,564
  5. Step 5: Solve for x
    x = 574,564/348.75
  6. Step 6: Final answer
    x = 1,647.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.