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Finding the Third Proportional to 4,328.79 and 9,349.57

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Solution

The third proportional to 4,328.79 and 9,349.57 is: 20,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.79 : 9,349.57 = 9,349.57 : x
  2. Step 2: Convert to fraction form
    4,328.79/9,349.57 = 9,349.57/x
  3. Step 3: Cross multiply
    4,328.79x = 9,349.57 × 9,349.57
  4. Step 4: Simplify right side
    4,328.79x = 87,414,410.25
  5. Step 5: Solve for x
    x = 87,414,410.25/4,328.79
  6. Step 6: Final answer
    x = 20,193.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.