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Finding the Third Proportional to 85,396.50 and 181,881

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Solution

The third proportional to 85,396.50 and 181,881 is: 387,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,396.50 : 181,881 = 181,881 : x
  2. Step 2: Convert to fraction form
    85,396.50/181,881 = 181,881/x
  3. Step 3: Cross multiply
    85,396.50x = 181,881 × 181,881
  4. Step 4: Simplify right side
    85,396.50x = 33,080,698,161
  5. Step 5: Solve for x
    x = 33,080,698,161/85,396.50
  6. Step 6: Final answer
    x = 387,377.68

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.