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Finding the Third Proportional to 246.75 and 521.63

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Solution

The third proportional to 246.75 and 521.63 is: 1,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.75 : 521.63 = 521.63 : x
  2. Step 2: Convert to fraction form
    246.75/521.63 = 521.63/x
  3. Step 3: Cross multiply
    246.75x = 521.63 × 521.63
  4. Step 4: Simplify right side
    246.75x = 272,092.64
  5. Step 5: Solve for x
    x = 272,092.64/246.75
  6. Step 6: Final answer
    x = 1,102.71

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.