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Finding the Third Proportional to 178,648 and 371,997

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Solution

The third proportional to 178,648 and 371,997 is: 774,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,648 : 371,997 = 371,997 : x
  2. Step 2: Convert to fraction form
    178,648/371,997 = 371,997/x
  3. Step 3: Cross multiply
    178,648x = 371,997 × 371,997
  4. Step 4: Simplify right side
    178,648x = 138,381,768,009
  5. Step 5: Solve for x
    x = 138,381,768,009/178,648
  6. Step 6: Final answer
    x = 774,605.75

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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.