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Finding the Third Proportional to 237.75 and 482.50

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Solution

The third proportional to 237.75 and 482.50 is: 979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.75 : 482.50 = 482.50 : x
  2. Step 2: Convert to fraction form
    237.75/482.50 = 482.50/x
  3. Step 3: Cross multiply
    237.75x = 482.50 × 482.50
  4. Step 4: Simplify right side
    237.75x = 232,806.25
  5. Step 5: Solve for x
    x = 232,806.25/237.75
  6. Step 6: Final answer
    x = 979.21

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.