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Finding the Third Proportional to 125.44 and 207.75

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Solution

The third proportional to 125.44 and 207.75 is: 344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.44 : 207.75 = 207.75 : x
  2. Step 2: Convert to fraction form
    125.44/207.75 = 207.75/x
  3. Step 3: Cross multiply
    125.44x = 207.75 × 207.75
  4. Step 4: Simplify right side
    125.44x = 43,160.06
  5. Step 5: Solve for x
    x = 43,160.06/125.44
  6. Step 6: Final answer
    x = 344.08

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.