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Finding the Third Proportional to 77,966 and 164,082

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Solution

The third proportional to 77,966 and 164,082 is: 345,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966 : 164,082 = 164,082 : x
  2. Step 2: Convert to fraction form
    77,966/164,082 = 164,082/x
  3. Step 3: Cross multiply
    77,966x = 164,082 × 164,082
  4. Step 4: Simplify right side
    77,966x = 26,922,902,724
  5. Step 5: Solve for x
    x = 26,922,902,724/77,966
  6. Step 6: Final answer
    x = 345,315.94

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.