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Finding the Third Proportional to 601.75 and 880.75

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Solution

The third proportional to 601.75 and 880.75 is: 1,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.75 : 880.75 = 880.75 : x
  2. Step 2: Convert to fraction form
    601.75/880.75 = 880.75/x
  3. Step 3: Cross multiply
    601.75x = 880.75 × 880.75
  4. Step 4: Simplify right side
    601.75x = 775,720.56
  5. Step 5: Solve for x
    x = 775,720.56/601.75
  6. Step 6: Final answer
    x = 1,289.11

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.