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Finding the Third Proportional to 568 and 803.50

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Solution

The third proportional to 568 and 803.50 is: 1,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    568 : 803.50 = 803.50 : x
  2. Step 2: Convert to fraction form
    568/803.50 = 803.50/x
  3. Step 3: Cross multiply
    568x = 803.50 × 803.50
  4. Step 4: Simplify right side
    568x = 645,612.25
  5. Step 5: Solve for x
    x = 645,612.25/568
  6. Step 6: Final answer
    x = 1,136.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.