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Finding the Third Proportional to 468.38 and 629.06

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Solution

The third proportional to 468.38 and 629.06 is: 844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.38 : 629.06 = 629.06 : x
  2. Step 2: Convert to fraction form
    468.38/629.06 = 629.06/x
  3. Step 3: Cross multiply
    468.38x = 629.06 × 629.06
  4. Step 4: Simplify right side
    468.38x = 395,719.63
  5. Step 5: Solve for x
    x = 395,719.63/468.38
  6. Step 6: Final answer
    x = 844.88

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.