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Finding the Third Proportional to 590.50 and 863

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Solution

The third proportional to 590.50 and 863 is: 1,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.50 : 863 = 863 : x
  2. Step 2: Convert to fraction form
    590.50/863 = 863/x
  3. Step 3: Cross multiply
    590.50x = 863 × 863
  4. Step 4: Simplify right side
    590.50x = 744,769
  5. Step 5: Solve for x
    x = 744,769/590.50
  6. Step 6: Final answer
    x = 1,261.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.