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Finding the Third Proportional to 4,203 and 8,955

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Solution

The third proportional to 4,203 and 8,955 is: 19,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203 : 8,955 = 8,955 : x
  2. Step 2: Convert to fraction form
    4,203/8,955 = 8,955/x
  3. Step 3: Cross multiply
    4,203x = 8,955 × 8,955
  4. Step 4: Simplify right side
    4,203x = 80,192,025
  5. Step 5: Solve for x
    x = 80,192,025/4,203
  6. Step 6: Final answer
    x = 19,079.71

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.