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Finding the Third Proportional to 76,200.75 and 164,187

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Solution

The third proportional to 76,200.75 and 164,187 is: 353,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.75 : 164,187 = 164,187 : x
  2. Step 2: Convert to fraction form
    76,200.75/164,187 = 164,187/x
  3. Step 3: Cross multiply
    76,200.75x = 164,187 × 164,187
  4. Step 4: Simplify right side
    76,200.75x = 26,957,370,969
  5. Step 5: Solve for x
    x = 26,957,370,969/76,200.75
  6. Step 6: Final answer
    x = 353,767.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.