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Finding the Third Proportional to 4,679.44 and 6,502.78

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Solution

The third proportional to 4,679.44 and 6,502.78 is: 9,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.44 : 6,502.78 = 6,502.78 : x
  2. Step 2: Convert to fraction form
    4,679.44/6,502.78 = 6,502.78/x
  3. Step 3: Cross multiply
    4,679.44x = 6,502.78 × 6,502.78
  4. Step 4: Simplify right side
    4,679.44x = 42,286,163.99
  5. Step 5: Solve for x
    x = 42,286,163.99/4,679.44
  6. Step 6: Final answer
    x = 9,036.59

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.