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Finding the Third Proportional to 79,936.75 and 117,313.13

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Solution

The third proportional to 79,936.75 and 117,313.13 is: 172,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,936.75 : 117,313.13 = 117,313.13 : x
  2. Step 2: Convert to fraction form
    79,936.75/117,313.13 = 117,313.13/x
  3. Step 3: Cross multiply
    79,936.75x = 117,313.13 × 117,313.13
  4. Step 4: Simplify right side
    79,936.75x = 13,762,369,297.27
  5. Step 5: Solve for x
    x = 13,762,369,297.27/79,936.75
  6. Step 6: Final answer
    x = 172,165.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.