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Finding the Third Proportional to 4,330 and 9,355

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Solution

The third proportional to 4,330 and 9,355 is: 20,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330 : 9,355 = 9,355 : x
  2. Step 2: Convert to fraction form
    4,330/9,355 = 9,355/x
  3. Step 3: Cross multiply
    4,330x = 9,355 × 9,355
  4. Step 4: Simplify right side
    4,330x = 87,516,025
  5. Step 5: Solve for x
    x = 87,516,025/4,330
  6. Step 6: Final answer
    x = 20,211.55

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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.