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Finding the Third Proportional to 177,360 and 385,824

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Solution

The third proportional to 177,360 and 385,824 is: 839,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,360 : 385,824 = 385,824 : x
  2. Step 2: Convert to fraction form
    177,360/385,824 = 385,824/x
  3. Step 3: Cross multiply
    177,360x = 385,824 × 385,824
  4. Step 4: Simplify right side
    177,360x = 148,860,158,976
  5. Step 5: Solve for x
    x = 148,860,158,976/177,360
  6. Step 6: Final answer
    x = 839,310.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.