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Finding the Third Proportional to 270.50 and 601.75

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Solution

The third proportional to 270.50 and 601.75 is: 1,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.50 : 601.75 = 601.75 : x
  2. Step 2: Convert to fraction form
    270.50/601.75 = 601.75/x
  3. Step 3: Cross multiply
    270.50x = 601.75 × 601.75
  4. Step 4: Simplify right side
    270.50x = 362,103.06
  5. Step 5: Solve for x
    x = 362,103.06/270.50
  6. Step 6: Final answer
    x = 1,338.64

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.