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Finding the Third Proportional to 5,778 and 8,256.75

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Solution

The third proportional to 5,778 and 8,256.75 is: 11,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778 : 8,256.75 = 8,256.75 : x
  2. Step 2: Convert to fraction form
    5,778/8,256.75 = 8,256.75/x
  3. Step 3: Cross multiply
    5,778x = 8,256.75 × 8,256.75
  4. Step 4: Simplify right side
    5,778x = 68,173,920.56
  5. Step 5: Solve for x
    x = 68,173,920.56/5,778
  6. Step 6: Final answer
    x = 11,798.88

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.