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Finding the Third Proportional to 103,696 and 279,335

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Solution

The third proportional to 103,696 and 279,335 is: 752,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696 : 279,335 = 279,335 : x
  2. Step 2: Convert to fraction form
    103,696/279,335 = 279,335/x
  3. Step 3: Cross multiply
    103,696x = 279,335 × 279,335
  4. Step 4: Simplify right side
    103,696x = 78,028,042,225
  5. Step 5: Solve for x
    x = 78,028,042,225/103,696
  6. Step 6: Final answer
    x = 752,469.16

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.