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Finding the Third Proportional to 84,844 and 178,972

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Solution

The third proportional to 84,844 and 178,972 is: 377,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844 : 178,972 = 178,972 : x
  2. Step 2: Convert to fraction form
    84,844/178,972 = 178,972/x
  3. Step 3: Cross multiply
    84,844x = 178,972 × 178,972
  4. Step 4: Simplify right side
    84,844x = 32,030,976,784
  5. Step 5: Solve for x
    x = 32,030,976,784/84,844
  6. Step 6: Final answer
    x = 377,527.90

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.