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Finding the Third Proportional to 629.33 and 925.49

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Solution

The third proportional to 629.33 and 925.49 is: 1,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.33 : 925.49 = 925.49 : x
  2. Step 2: Convert to fraction form
    629.33/925.49 = 925.49/x
  3. Step 3: Cross multiply
    629.33x = 925.49 × 925.49
  4. Step 4: Simplify right side
    629.33x = 856,528.56
  5. Step 5: Solve for x
    x = 856,528.56/629.33
  6. Step 6: Final answer
    x = 1,361.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.