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Finding the Third Proportional to 281.44 and 501.38

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Solution

The third proportional to 281.44 and 501.38 is: 893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.44 : 501.38 = 501.38 : x
  2. Step 2: Convert to fraction form
    281.44/501.38 = 501.38/x
  3. Step 3: Cross multiply
    281.44x = 501.38 × 501.38
  4. Step 4: Simplify right side
    281.44x = 251,376.89
  5. Step 5: Solve for x
    x = 251,376.89/281.44
  6. Step 6: Final answer
    x = 893.19

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.