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Finding the Third Proportional to 40,142.25 and 84,807

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Solution

The third proportional to 40,142.25 and 84,807 is: 179,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.25 : 84,807 = 84,807 : x
  2. Step 2: Convert to fraction form
    40,142.25/84,807 = 84,807/x
  3. Step 3: Cross multiply
    40,142.25x = 84,807 × 84,807
  4. Step 4: Simplify right side
    40,142.25x = 7,192,227,249
  5. Step 5: Solve for x
    x = 7,192,227,249/40,142.25
  6. Step 6: Final answer
    x = 179,168.51

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.