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Finding the Third Proportional to 260.63 and 563.25

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Solution

The third proportional to 260.63 and 563.25 is: 1,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.63 : 563.25 = 563.25 : x
  2. Step 2: Convert to fraction form
    260.63/563.25 = 563.25/x
  3. Step 3: Cross multiply
    260.63x = 563.25 × 563.25
  4. Step 4: Simplify right side
    260.63x = 317,250.56
  5. Step 5: Solve for x
    x = 317,250.56/260.63
  6. Step 6: Final answer
    x = 1,217.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.