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Finding the Third Proportional to 260.88 and 568.13

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Solution

The third proportional to 260.88 and 568.13 is: 1,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.88 : 568.13 = 568.13 : x
  2. Step 2: Convert to fraction form
    260.88/568.13 = 568.13/x
  3. Step 3: Cross multiply
    260.88x = 568.13 × 568.13
  4. Step 4: Simplify right side
    260.88x = 322,766.02
  5. Step 5: Solve for x
    x = 322,766.02/260.88
  6. Step 6: Final answer
    x = 1,237.24

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.