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Finding the Third Proportional to 282.50 and 325

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Solution

The third proportional to 282.50 and 325 is: 373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.50 : 325 = 325 : x
  2. Step 2: Convert to fraction form
    282.50/325 = 325/x
  3. Step 3: Cross multiply
    282.50x = 325 × 325
  4. Step 4: Simplify right side
    282.50x = 105,625
  5. Step 5: Solve for x
    x = 105,625/282.50
  6. Step 6: Final answer
    x = 373.89

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.