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Finding the Third Proportional to 333 and 488.63

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Solution

The third proportional to 333 and 488.63 is: 716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    333 : 488.63 = 488.63 : x
  2. Step 2: Convert to fraction form
    333/488.63 = 488.63/x
  3. Step 3: Cross multiply
    333x = 488.63 × 488.63
  4. Step 4: Simplify right side
    333x = 238,754.39
  5. Step 5: Solve for x
    x = 238,754.39/333
  6. Step 6: Final answer
    x = 716.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.