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Finding the Third Proportional to 569 and 1,190

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Solution

The third proportional to 569 and 1,190 is: 2,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    569 : 1,190 = 1,190 : x
  2. Step 2: Convert to fraction form
    569/1,190 = 1,190/x
  3. Step 3: Cross multiply
    569x = 1,190 × 1,190
  4. Step 4: Simplify right side
    569x = 1,416,100
  5. Step 5: Solve for x
    x = 1,416,100/569
  6. Step 6: Final answer
    x = 2,488.75

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.