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Finding the Third Proportional to 77,274 and 167,670

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Solution

The third proportional to 77,274 and 167,670 is: 363,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,274 : 167,670 = 167,670 : x
  2. Step 2: Convert to fraction form
    77,274/167,670 = 167,670/x
  3. Step 3: Cross multiply
    77,274x = 167,670 × 167,670
  4. Step 4: Simplify right side
    77,274x = 28,113,228,900
  5. Step 5: Solve for x
    x = 28,113,228,900/77,274
  6. Step 6: Final answer
    x = 363,812.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.