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Finding the Third Proportional to 68,072 and 97,843

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Solution

The third proportional to 68,072 and 97,843 is: 140,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,072 : 97,843 = 97,843 : x
  2. Step 2: Convert to fraction form
    68,072/97,843 = 97,843/x
  3. Step 3: Cross multiply
    68,072x = 97,843 × 97,843
  4. Step 4: Simplify right side
    68,072x = 9,573,252,649
  5. Step 5: Solve for x
    x = 9,573,252,649/68,072
  6. Step 6: Final answer
    x = 140,634.22

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.