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Finding the Third Proportional to 250.75 and 382.50

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Solution

The third proportional to 250.75 and 382.50 is: 583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.75 : 382.50 = 382.50 : x
  2. Step 2: Convert to fraction form
    250.75/382.50 = 382.50/x
  3. Step 3: Cross multiply
    250.75x = 382.50 × 382.50
  4. Step 4: Simplify right side
    250.75x = 146,306.25
  5. Step 5: Solve for x
    x = 146,306.25/250.75
  6. Step 6: Final answer
    x = 583.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.