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Finding the Third Proportional to 47,293 and 100,903

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Solution

The third proportional to 47,293 and 100,903 is: 215,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293 : 100,903 = 100,903 : x
  2. Step 2: Convert to fraction form
    47,293/100,903 = 100,903/x
  3. Step 3: Cross multiply
    47,293x = 100,903 × 100,903
  4. Step 4: Simplify right side
    47,293x = 10,181,415,409
  5. Step 5: Solve for x
    x = 10,181,415,409/47,293
  6. Step 6: Final answer
    x = 215,283.77

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.