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Finding the Third Proportional to 613 and 884.50

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Solution

The third proportional to 613 and 884.50 is: 1,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    613 : 884.50 = 884.50 : x
  2. Step 2: Convert to fraction form
    613/884.50 = 884.50/x
  3. Step 3: Cross multiply
    613x = 884.50 × 884.50
  4. Step 4: Simplify right side
    613x = 782,340.25
  5. Step 5: Solve for x
    x = 782,340.25/613
  6. Step 6: Final answer
    x = 1,276.25

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.