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Finding the Third Proportional to 102,342 and 208,845

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Solution

The third proportional to 102,342 and 208,845 is: 426,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,342 : 208,845 = 208,845 : x
  2. Step 2: Convert to fraction form
    102,342/208,845 = 208,845/x
  3. Step 3: Cross multiply
    102,342x = 208,845 × 208,845
  4. Step 4: Simplify right side
    102,342x = 43,616,234,025
  5. Step 5: Solve for x
    x = 43,616,234,025/102,342
  6. Step 6: Final answer
    x = 426,181.18

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.