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Finding the Third Proportional to 533 and 826.50

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Solution

The third proportional to 533 and 826.50 is: 1,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533 : 826.50 = 826.50 : x
  2. Step 2: Convert to fraction form
    533/826.50 = 826.50/x
  3. Step 3: Cross multiply
    533x = 826.50 × 826.50
  4. Step 4: Simplify right side
    533x = 683,102.25
  5. Step 5: Solve for x
    x = 683,102.25/533
  6. Step 6: Final answer
    x = 1,281.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.