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Finding the Third Proportional to 281 and 566.50

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Solution

The third proportional to 281 and 566.50 is: 1,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281 : 566.50 = 566.50 : x
  2. Step 2: Convert to fraction form
    281/566.50 = 566.50/x
  3. Step 3: Cross multiply
    281x = 566.50 × 566.50
  4. Step 4: Simplify right side
    281x = 320,922.25
  5. Step 5: Solve for x
    x = 320,922.25/281
  6. Step 6: Final answer
    x = 1,142.07

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.