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Finding the Third Proportional to 569 and 1,110.50

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Solution

The third proportional to 569 and 1,110.50 is: 2,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569 : 1,110.50 = 1,110.50 : x
  2. Step 2: Convert to fraction form
    569/1,110.50 = 1,110.50/x
  3. Step 3: Cross multiply
    569x = 1,110.50 × 1,110.50
  4. Step 4: Simplify right side
    569x = 1,233,210.25
  5. Step 5: Solve for x
    x = 1,233,210.25/569
  6. Step 6: Final answer
    x = 2,167.33

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.