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Finding the Third Proportional to 343.88 and 806.63

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Solution

The third proportional to 343.88 and 806.63 is: 1,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.88 : 806.63 = 806.63 : x
  2. Step 2: Convert to fraction form
    343.88/806.63 = 806.63/x
  3. Step 3: Cross multiply
    343.88x = 806.63 × 806.63
  4. Step 4: Simplify right side
    343.88x = 650,643.89
  5. Step 5: Solve for x
    x = 650,643.89/343.88
  6. Step 6: Final answer
    x = 1,892.09

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.