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Finding the Third Proportional to 3,560.34 and 5,311.41

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Solution

The third proportional to 3,560.34 and 5,311.41 is: 7,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.34 : 5,311.41 = 5,311.41 : x
  2. Step 2: Convert to fraction form
    3,560.34/5,311.41 = 5,311.41/x
  3. Step 3: Cross multiply
    3,560.34x = 5,311.41 × 5,311.41
  4. Step 4: Simplify right side
    3,560.34x = 28,211,036.35
  5. Step 5: Solve for x
    x = 28,211,036.35/3,560.34
  6. Step 6: Final answer
    x = 7,923.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.