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Finding the Third Proportional to 74,493 and 162,912.38

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Solution

The third proportional to 74,493 and 162,912.38 is: 356,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493 : 162,912.38 = 162,912.38 : x
  2. Step 2: Convert to fraction form
    74,493/162,912.38 = 162,912.38/x
  3. Step 3: Cross multiply
    74,493x = 162,912.38 × 162,912.38
  4. Step 4: Simplify right side
    74,493x = 26,540,441,928.14
  5. Step 5: Solve for x
    x = 26,540,441,928.14/74,493
  6. Step 6: Final answer
    x = 356,281.02

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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.