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Finding the Third Proportional to 280.75 and 593.75

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Solution

The third proportional to 280.75 and 593.75 is: 1,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    280.75 : 593.75 = 593.75 : x
  2. Step 2: Convert to fraction form
    280.75/593.75 = 593.75/x
  3. Step 3: Cross multiply
    280.75x = 593.75 × 593.75
  4. Step 4: Simplify right side
    280.75x = 352,539.06
  5. Step 5: Solve for x
    x = 352,539.06/280.75
  6. Step 6: Final answer
    x = 1,255.70

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.