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Finding the Third Proportional to 559.75 and 601.75

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Solution

The third proportional to 559.75 and 601.75 is: 646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.75 : 601.75 = 601.75 : x
  2. Step 2: Convert to fraction form
    559.75/601.75 = 601.75/x
  3. Step 3: Cross multiply
    559.75x = 601.75 × 601.75
  4. Step 4: Simplify right side
    559.75x = 362,103.06
  5. Step 5: Solve for x
    x = 362,103.06/559.75
  6. Step 6: Final answer
    x = 646.90

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.