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Finding the Third Proportional to 86,696 and 129,693

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Solution

The third proportional to 86,696 and 129,693 is: 194,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,696 : 129,693 = 129,693 : x
  2. Step 2: Convert to fraction form
    86,696/129,693 = 129,693/x
  3. Step 3: Cross multiply
    86,696x = 129,693 × 129,693
  4. Step 4: Simplify right side
    86,696x = 16,820,274,249
  5. Step 5: Solve for x
    x = 16,820,274,249/86,696
  6. Step 6: Final answer
    x = 194,014.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.