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Finding the Third Proportional to 248.50 and 590.75

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Solution

The third proportional to 248.50 and 590.75 is: 1,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.50 : 590.75 = 590.75 : x
  2. Step 2: Convert to fraction form
    248.50/590.75 = 590.75/x
  3. Step 3: Cross multiply
    248.50x = 590.75 × 590.75
  4. Step 4: Simplify right side
    248.50x = 348,985.56
  5. Step 5: Solve for x
    x = 348,985.56/248.50
  6. Step 6: Final answer
    x = 1,404.37

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.