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Finding the Third Proportional to 341.75 and 682.75

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Solution

The third proportional to 341.75 and 682.75 is: 1,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.75 : 682.75 = 682.75 : x
  2. Step 2: Convert to fraction form
    341.75/682.75 = 682.75/x
  3. Step 3: Cross multiply
    341.75x = 682.75 × 682.75
  4. Step 4: Simplify right side
    341.75x = 466,147.56
  5. Step 5: Solve for x
    x = 466,147.56/341.75
  6. Step 6: Final answer
    x = 1,364.00

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.