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Finding the Third Proportional to 47,302 and 73,247

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Solution

The third proportional to 47,302 and 73,247 is: 113,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,302 : 73,247 = 73,247 : x
  2. Step 2: Convert to fraction form
    47,302/73,247 = 73,247/x
  3. Step 3: Cross multiply
    47,302x = 73,247 × 73,247
  4. Step 4: Simplify right side
    47,302x = 5,365,123,009
  5. Step 5: Solve for x
    x = 5,365,123,009/47,302
  6. Step 6: Final answer
    x = 113,422.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.