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Finding the Third Proportional to 248.38 and 587.75

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Solution

The third proportional to 248.38 and 587.75 is: 1,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.38 : 587.75 = 587.75 : x
  2. Step 2: Convert to fraction form
    248.38/587.75 = 587.75/x
  3. Step 3: Cross multiply
    248.38x = 587.75 × 587.75
  4. Step 4: Simplify right side
    248.38x = 345,450.06
  5. Step 5: Solve for x
    x = 345,450.06/248.38
  6. Step 6: Final answer
    x = 1,390.84

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.