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Finding the Third Proportional to 82,634 and 169,622

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Solution

The third proportional to 82,634 and 169,622 is: 348,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,634 : 169,622 = 169,622 : x
  2. Step 2: Convert to fraction form
    82,634/169,622 = 169,622/x
  3. Step 3: Cross multiply
    82,634x = 169,622 × 169,622
  4. Step 4: Simplify right side
    82,634x = 28,771,622,884
  5. Step 5: Solve for x
    x = 28,771,622,884/82,634
  6. Step 6: Final answer
    x = 348,181.41

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.