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Finding the Third Proportional to 333 and 518.63

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Solution

The third proportional to 333 and 518.63 is: 807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333 : 518.63 = 518.63 : x
  2. Step 2: Convert to fraction form
    333/518.63 = 518.63/x
  3. Step 3: Cross multiply
    333x = 518.63 × 518.63
  4. Step 4: Simplify right side
    333x = 268,971.89
  5. Step 5: Solve for x
    x = 268,971.89/333
  6. Step 6: Final answer
    x = 807.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.