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Finding the Third Proportional to 15,696 and 34,119

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Solution

The third proportional to 15,696 and 34,119 is: 74,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696 : 34,119 = 34,119 : x
  2. Step 2: Convert to fraction form
    15,696/34,119 = 34,119/x
  3. Step 3: Cross multiply
    15,696x = 34,119 × 34,119
  4. Step 4: Simplify right side
    15,696x = 1,164,106,161
  5. Step 5: Solve for x
    x = 1,164,106,161/15,696
  6. Step 6: Final answer
    x = 74,165.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.