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Finding the Third Proportional to 235.75 and 548.88

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Solution

The third proportional to 235.75 and 548.88 is: 1,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.75 : 548.88 = 548.88 : x
  2. Step 2: Convert to fraction form
    235.75/548.88 = 548.88/x
  3. Step 3: Cross multiply
    235.75x = 548.88 × 548.88
  4. Step 4: Simplify right side
    235.75x = 301,263.77
  5. Step 5: Solve for x
    x = 301,263.77/235.75
  6. Step 6: Final answer
    x = 1,277.90

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.