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Finding the Third Proportional to 4,252 and 9,318

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Solution

The third proportional to 4,252 and 9,318 is: 20,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252 : 9,318 = 9,318 : x
  2. Step 2: Convert to fraction form
    4,252/9,318 = 9,318/x
  3. Step 3: Cross multiply
    4,252x = 9,318 × 9,318
  4. Step 4: Simplify right side
    4,252x = 86,825,124
  5. Step 5: Solve for x
    x = 86,825,124/4,252
  6. Step 6: Final answer
    x = 20,419.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.