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Finding the Third Proportional to 333 and 522.50

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Solution

The third proportional to 333 and 522.50 is: 819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    333 : 522.50 = 522.50 : x
  2. Step 2: Convert to fraction form
    333/522.50 = 522.50/x
  3. Step 3: Cross multiply
    333x = 522.50 × 522.50
  4. Step 4: Simplify right side
    333x = 273,006.25
  5. Step 5: Solve for x
    x = 273,006.25/333
  6. Step 6: Final answer
    x = 819.84

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.