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Finding the Third Proportional to 266.25 and 499.50

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Solution

The third proportional to 266.25 and 499.50 is: 937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.25 : 499.50 = 499.50 : x
  2. Step 2: Convert to fraction form
    266.25/499.50 = 499.50/x
  3. Step 3: Cross multiply
    266.25x = 499.50 × 499.50
  4. Step 4: Simplify right side
    266.25x = 249,500.25
  5. Step 5: Solve for x
    x = 249,500.25/266.25
  6. Step 6: Final answer
    x = 937.09

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.