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Finding the Third Proportional to 103,696 and 217,833

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Solution

The third proportional to 103,696 and 217,833 is: 457,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696 : 217,833 = 217,833 : x
  2. Step 2: Convert to fraction form
    103,696/217,833 = 217,833/x
  3. Step 3: Cross multiply
    103,696x = 217,833 × 217,833
  4. Step 4: Simplify right side
    103,696x = 47,451,215,889
  5. Step 5: Solve for x
    x = 47,451,215,889/103,696
  6. Step 6: Final answer
    x = 457,599.29

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.