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Finding the Third Proportional to 281.75 and 591.88

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Solution

The third proportional to 281.75 and 591.88 is: 1,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.75 : 591.88 = 591.88 : x
  2. Step 2: Convert to fraction form
    281.75/591.88 = 591.88/x
  3. Step 3: Cross multiply
    281.75x = 591.88 × 591.88
  4. Step 4: Simplify right side
    281.75x = 350,316.02
  5. Step 5: Solve for x
    x = 350,316.02/281.75
  6. Step 6: Final answer
    x = 1,243.36

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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.