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Finding the Third Proportional to 254.88 and 524.88

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Solution

The third proportional to 254.88 and 524.88 is: 1,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.88 : 524.88 = 524.88 : x
  2. Step 2: Convert to fraction form
    254.88/524.88 = 524.88/x
  3. Step 3: Cross multiply
    254.88x = 524.88 × 524.88
  4. Step 4: Simplify right side
    254.88x = 275,493.77
  5. Step 5: Solve for x
    x = 275,493.77/254.88
  6. Step 6: Final answer
    x = 1,080.90

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.