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Finding the Third Proportional to 568.75 and 804.63

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Solution

The third proportional to 568.75 and 804.63 is: 1,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.75 : 804.63 = 804.63 : x
  2. Step 2: Convert to fraction form
    568.75/804.63 = 804.63/x
  3. Step 3: Cross multiply
    568.75x = 804.63 × 804.63
  4. Step 4: Simplify right side
    568.75x = 647,421.39
  5. Step 5: Solve for x
    x = 647,421.39/568.75
  6. Step 6: Final answer
    x = 1,138.32

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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.