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Finding the Third Proportional to 260 and 563.63

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Solution

The third proportional to 260 and 563.63 is: 1,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260 : 563.63 = 563.63 : x
  2. Step 2: Convert to fraction form
    260/563.63 = 563.63/x
  3. Step 3: Cross multiply
    260x = 563.63 × 563.63
  4. Step 4: Simplify right side
    260x = 317,673.14
  5. Step 5: Solve for x
    x = 317,673.14/260
  6. Step 6: Final answer
    x = 1,221.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.