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Finding the Third Proportional to 68,680.50 and 104,343

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Solution

The third proportional to 68,680.50 and 104,343 is: 158,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680.50 : 104,343 = 104,343 : x
  2. Step 2: Convert to fraction form
    68,680.50/104,343 = 104,343/x
  3. Step 3: Cross multiply
    68,680.50x = 104,343 × 104,343
  4. Step 4: Simplify right side
    68,680.50x = 10,887,461,649
  5. Step 5: Solve for x
    x = 10,887,461,649/68,680.50
  6. Step 6: Final answer
    x = 158,523.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.