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Finding the Third Proportional to 178,550 and 371,895

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Solution

The third proportional to 178,550 and 371,895 is: 774,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,550 : 371,895 = 371,895 : x
  2. Step 2: Convert to fraction form
    178,550/371,895 = 371,895/x
  3. Step 3: Cross multiply
    178,550x = 371,895 × 371,895
  4. Step 4: Simplify right side
    178,550x = 138,305,891,025
  5. Step 5: Solve for x
    x = 138,305,891,025/178,550
  6. Step 6: Final answer
    x = 774,605.94

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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.