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Finding the Third Proportional to 240.75 and 584.88

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Solution

The third proportional to 240.75 and 584.88 is: 1,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.75 : 584.88 = 584.88 : x
  2. Step 2: Convert to fraction form
    240.75/584.88 = 584.88/x
  3. Step 3: Cross multiply
    240.75x = 584.88 × 584.88
  4. Step 4: Simplify right side
    240.75x = 342,078.77
  5. Step 5: Solve for x
    x = 342,078.77/240.75
  6. Step 6: Final answer
    x = 1,420.89

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.