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Finding the Third Proportional to 49,622 and 74,442

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Solution

The third proportional to 49,622 and 74,442 is: 111,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,622 : 74,442 = 74,442 : x
  2. Step 2: Convert to fraction form
    49,622/74,442 = 74,442/x
  3. Step 3: Cross multiply
    49,622x = 74,442 × 74,442
  4. Step 4: Simplify right side
    49,622x = 5,541,611,364
  5. Step 5: Solve for x
    x = 5,541,611,364/49,622
  6. Step 6: Final answer
    x = 111,676.50

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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.