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Finding the Third Proportional to 30,108 and 45,162

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Solution

The third proportional to 30,108 and 45,162 is: 67,743

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108 : 45,162 = 45,162 : x
  2. Step 2: Convert to fraction form
    30,108/45,162 = 45,162/x
  3. Step 3: Cross multiply
    30,108x = 45,162 × 45,162
  4. Step 4: Simplify right side
    30,108x = 2,039,606,244
  5. Step 5: Solve for x
    x = 2,039,606,244/30,108
  6. Step 6: Final answer
    x = 67,743

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.