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Finding the Third Proportional to 74,202 and 111,285

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Solution

The third proportional to 74,202 and 111,285 is: 166,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202 : 111,285 = 111,285 : x
  2. Step 2: Convert to fraction form
    74,202/111,285 = 111,285/x
  3. Step 3: Cross multiply
    74,202x = 111,285 × 111,285
  4. Step 4: Simplify right side
    74,202x = 12,384,351,225
  5. Step 5: Solve for x
    x = 12,384,351,225/74,202
  6. Step 6: Final answer
    x = 166,900.50

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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.