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Finding the Third Proportional to 68,176 and 159,231

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Solution

The third proportional to 68,176 and 159,231 is: 371,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,176 : 159,231 = 159,231 : x
  2. Step 2: Convert to fraction form
    68,176/159,231 = 159,231/x
  3. Step 3: Cross multiply
    68,176x = 159,231 × 159,231
  4. Step 4: Simplify right side
    68,176x = 25,354,511,361
  5. Step 5: Solve for x
    x = 25,354,511,361/68,176
  6. Step 6: Final answer
    x = 371,897.90

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.