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Finding the Third Proportional to 590.75 and 851.88

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Solution

The third proportional to 590.75 and 851.88 is: 1,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.75 : 851.88 = 851.88 : x
  2. Step 2: Convert to fraction form
    590.75/851.88 = 851.88/x
  3. Step 3: Cross multiply
    590.75x = 851.88 × 851.88
  4. Step 4: Simplify right side
    590.75x = 725,691.02
  5. Step 5: Solve for x
    x = 725,691.02/590.75
  6. Step 6: Final answer
    x = 1,228.42

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.