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Finding the Third Proportional to 201,139 and 298,226.75

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Solution

The third proportional to 201,139 and 298,226.75 is: 442,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,139 : 298,226.75 = 298,226.75 : x
  2. Step 2: Convert to fraction form
    201,139/298,226.75 = 298,226.75/x
  3. Step 3: Cross multiply
    201,139x = 298,226.75 × 298,226.75
  4. Step 4: Simplify right side
    201,139x = 88,939,194,415.56
  5. Step 5: Solve for x
    x = 88,939,194,415.56/201,139
  6. Step 6: Final answer
    x = 442,177.77

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.