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Finding the Third Proportional to 4,308.75 and 6,336.38

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Solution

The third proportional to 4,308.75 and 6,336.38 is: 9,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.75 : 6,336.38 = 6,336.38 : x
  2. Step 2: Convert to fraction form
    4,308.75/6,336.38 = 6,336.38/x
  3. Step 3: Cross multiply
    4,308.75x = 6,336.38 × 6,336.38
  4. Step 4: Simplify right side
    4,308.75x = 40,149,648.14
  5. Step 5: Solve for x
    x = 40,149,648.14/4,308.75
  6. Step 6: Final answer
    x = 9,318.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.