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Finding the Third Proportional to 87,876 and 133,047

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Solution

The third proportional to 87,876 and 133,047 is: 201,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,876 : 133,047 = 133,047 : x
  2. Step 2: Convert to fraction form
    87,876/133,047 = 133,047/x
  3. Step 3: Cross multiply
    87,876x = 133,047 × 133,047
  4. Step 4: Simplify right side
    87,876x = 17,701,504,209
  5. Step 5: Solve for x
    x = 17,701,504,209/87,876
  6. Step 6: Final answer
    x = 201,437.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.