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Finding the Third Proportional to 207.25 and 330.63

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Solution

The third proportional to 207.25 and 330.63 is: 527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.25 : 330.63 = 330.63 : x
  2. Step 2: Convert to fraction form
    207.25/330.63 = 330.63/x
  3. Step 3: Cross multiply
    207.25x = 330.63 × 330.63
  4. Step 4: Simplify right side
    207.25x = 109,312.89
  5. Step 5: Solve for x
    x = 109,312.89/207.25
  6. Step 6: Final answer
    x = 527.44

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.