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Finding the Third Proportional to 79,186.50 and 125,383.50

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Solution

The third proportional to 79,186.50 and 125,383.50 is: 198,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186.50 : 125,383.50 = 125,383.50 : x
  2. Step 2: Convert to fraction form
    79,186.50/125,383.50 = 125,383.50/x
  3. Step 3: Cross multiply
    79,186.50x = 125,383.50 × 125,383.50
  4. Step 4: Simplify right side
    79,186.50x = 15,721,022,072.25
  5. Step 5: Solve for x
    x = 15,721,022,072.25/79,186.50
  6. Step 6: Final answer
    x = 198,531.59

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.