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Finding the Third Proportional to 282.38 and 659.25

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Solution

The third proportional to 282.38 and 659.25 is: 1,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.38 : 659.25 = 659.25 : x
  2. Step 2: Convert to fraction form
    282.38/659.25 = 659.25/x
  3. Step 3: Cross multiply
    282.38x = 659.25 × 659.25
  4. Step 4: Simplify right side
    282.38x = 434,610.56
  5. Step 5: Solve for x
    x = 434,610.56/282.38
  6. Step 6: Final answer
    x = 1,539.13

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.