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Finding the Third Proportional to 182.50 and 254.75

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Solution

The third proportional to 182.50 and 254.75 is: 355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.50 : 254.75 = 254.75 : x
  2. Step 2: Convert to fraction form
    182.50/254.75 = 254.75/x
  3. Step 3: Cross multiply
    182.50x = 254.75 × 254.75
  4. Step 4: Simplify right side
    182.50x = 64,897.56
  5. Step 5: Solve for x
    x = 64,897.56/182.50
  6. Step 6: Final answer
    x = 355.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.