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Finding the Third Proportional to 288 and 605.63

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Solution

The third proportional to 288 and 605.63 is: 1,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288 : 605.63 = 605.63 : x
  2. Step 2: Convert to fraction form
    288/605.63 = 605.63/x
  3. Step 3: Cross multiply
    288x = 605.63 × 605.63
  4. Step 4: Simplify right side
    288x = 366,781.64
  5. Step 5: Solve for x
    x = 366,781.64/288
  6. Step 6: Final answer
    x = 1,273.55

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.