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Finding the Third Proportional to 87,911 and 182,047

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Solution

The third proportional to 87,911 and 182,047 is: 376,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,911 : 182,047 = 182,047 : x
  2. Step 2: Convert to fraction form
    87,911/182,047 = 182,047/x
  3. Step 3: Cross multiply
    87,911x = 182,047 × 182,047
  4. Step 4: Simplify right side
    87,911x = 33,141,110,209
  5. Step 5: Solve for x
    x = 33,141,110,209/87,911
  6. Step 6: Final answer
    x = 376,984.79

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.