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Finding the Third Proportional to 81,692 and 176,955

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Solution

The third proportional to 81,692 and 176,955 is: 383,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,692 : 176,955 = 176,955 : x
  2. Step 2: Convert to fraction form
    81,692/176,955 = 176,955/x
  3. Step 3: Cross multiply
    81,692x = 176,955 × 176,955
  4. Step 4: Simplify right side
    81,692x = 31,313,072,025
  5. Step 5: Solve for x
    x = 31,313,072,025/81,692
  6. Step 6: Final answer
    x = 383,306.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.