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Finding the Third Proportional to 479.75 and 922.38

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Solution

The third proportional to 479.75 and 922.38 is: 1,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.75 : 922.38 = 922.38 : x
  2. Step 2: Convert to fraction form
    479.75/922.38 = 922.38/x
  3. Step 3: Cross multiply
    479.75x = 922.38 × 922.38
  4. Step 4: Simplify right side
    479.75x = 850,775.64
  5. Step 5: Solve for x
    x = 850,775.64/479.75
  6. Step 6: Final answer
    x = 1,773.37

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.