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Finding the Third Proportional to 272.11 and 587.46

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Solution

The third proportional to 272.11 and 587.46 is: 1,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.11 : 587.46 = 587.46 : x
  2. Step 2: Convert to fraction form
    272.11/587.46 = 587.46/x
  3. Step 3: Cross multiply
    272.11x = 587.46 × 587.46
  4. Step 4: Simplify right side
    272.11x = 345,112.29
  5. Step 5: Solve for x
    x = 345,112.29/272.11
  6. Step 6: Final answer
    x = 1,268.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.