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Finding the Third Proportional to 285.75 and 599.63

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Solution

The third proportional to 285.75 and 599.63 is: 1,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285.75 : 599.63 = 599.63 : x
  2. Step 2: Convert to fraction form
    285.75/599.63 = 599.63/x
  3. Step 3: Cross multiply
    285.75x = 599.63 × 599.63
  4. Step 4: Simplify right side
    285.75x = 359,550.14
  5. Step 5: Solve for x
    x = 359,550.14/285.75
  6. Step 6: Final answer
    x = 1,258.27

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.