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Finding the Third Proportional to 195.38 and 425.63

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Solution

The third proportional to 195.38 and 425.63 is: 927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.38 : 425.63 = 425.63 : x
  2. Step 2: Convert to fraction form
    195.38/425.63 = 425.63/x
  3. Step 3: Cross multiply
    195.38x = 425.63 × 425.63
  4. Step 4: Simplify right side
    195.38x = 181,156.64
  5. Step 5: Solve for x
    x = 181,156.64/195.38
  6. Step 6: Final answer
    x = 927.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.