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Finding the Third Proportional to 77,354 and 164,824

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Solution

The third proportional to 77,354 and 164,824 is: 351,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,354 : 164,824 = 164,824 : x
  2. Step 2: Convert to fraction form
    77,354/164,824 = 164,824/x
  3. Step 3: Cross multiply
    77,354x = 164,824 × 164,824
  4. Step 4: Simplify right side
    77,354x = 27,166,950,976
  5. Step 5: Solve for x
    x = 27,166,950,976/77,354
  6. Step 6: Final answer
    x = 351,202.92

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.