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Finding the Third Proportional to 178,474 and 371,736

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Solution

The third proportional to 178,474 and 371,736 is: 774,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,474 : 371,736 = 371,736 : x
  2. Step 2: Convert to fraction form
    178,474/371,736 = 371,736/x
  3. Step 3: Cross multiply
    178,474x = 371,736 × 371,736
  4. Step 4: Simplify right side
    178,474x = 138,187,653,696
  5. Step 5: Solve for x
    x = 138,187,653,696/178,474
  6. Step 6: Final answer
    x = 774,273.30

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.