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Finding the Third Proportional to 54,818 and 82,006

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Solution

The third proportional to 54,818 and 82,006 is: 122,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818 : 82,006 = 82,006 : x
  2. Step 2: Convert to fraction form
    54,818/82,006 = 82,006/x
  3. Step 3: Cross multiply
    54,818x = 82,006 × 82,006
  4. Step 4: Simplify right side
    54,818x = 6,724,984,036
  5. Step 5: Solve for x
    x = 6,724,984,036/54,818
  6. Step 6: Final answer
    x = 122,678.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.