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Finding the Third Proportional to 284 and 515.50

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Solution

The third proportional to 284 and 515.50 is: 935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284 : 515.50 = 515.50 : x
  2. Step 2: Convert to fraction form
    284/515.50 = 515.50/x
  3. Step 3: Cross multiply
    284x = 515.50 × 515.50
  4. Step 4: Simplify right side
    284x = 265,740.25
  5. Step 5: Solve for x
    x = 265,740.25/284
  6. Step 6: Final answer
    x = 935.71

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These problems maintain the same ratio (1.82) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.