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Finding the Third Proportional to 6,339.94 and 9,855.42

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Solution

The third proportional to 6,339.94 and 9,855.42 is: 15,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.94 : 9,855.42 = 9,855.42 : x
  2. Step 2: Convert to fraction form
    6,339.94/9,855.42 = 9,855.42/x
  3. Step 3: Cross multiply
    6,339.94x = 9,855.42 × 9,855.42
  4. Step 4: Simplify right side
    6,339.94x = 97,129,340.33
  5. Step 5: Solve for x
    x = 97,129,340.33/6,339.94
  6. Step 6: Final answer
    x = 15,320.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.