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Finding the Third Proportional to 4,235 and 9,176

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Solution

The third proportional to 4,235 and 9,176 is: 19,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235 : 9,176 = 9,176 : x
  2. Step 2: Convert to fraction form
    4,235/9,176 = 9,176/x
  3. Step 3: Cross multiply
    4,235x = 9,176 × 9,176
  4. Step 4: Simplify right side
    4,235x = 84,198,976
  5. Step 5: Solve for x
    x = 84,198,976/4,235
  6. Step 6: Final answer
    x = 19,881.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.