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Finding the Third Proportional to 381 and 598.50

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Solution

The third proportional to 381 and 598.50 is: 940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    381 : 598.50 = 598.50 : x
  2. Step 2: Convert to fraction form
    381/598.50 = 598.50/x
  3. Step 3: Cross multiply
    381x = 598.50 × 598.50
  4. Step 4: Simplify right side
    381x = 358,202.25
  5. Step 5: Solve for x
    x = 358,202.25/381
  6. Step 6: Final answer
    x = 940.16

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.