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Finding the Third Proportional to 79,603 and 108,174

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Solution

The third proportional to 79,603 and 108,174 is: 146,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,603 : 108,174 = 108,174 : x
  2. Step 2: Convert to fraction form
    79,603/108,174 = 108,174/x
  3. Step 3: Cross multiply
    79,603x = 108,174 × 108,174
  4. Step 4: Simplify right side
    79,603x = 11,701,614,276
  5. Step 5: Solve for x
    x = 11,701,614,276/79,603
  6. Step 6: Final answer
    x = 146,999.66

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.