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Finding the Third Proportional to 246.14 and 402.94

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Solution

The third proportional to 246.14 and 402.94 is: 659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.14 : 402.94 = 402.94 : x
  2. Step 2: Convert to fraction form
    246.14/402.94 = 402.94/x
  3. Step 3: Cross multiply
    246.14x = 402.94 × 402.94
  4. Step 4: Simplify right side
    246.14x = 162,358.63
  5. Step 5: Solve for x
    x = 162,358.63/246.14
  6. Step 6: Final answer
    x = 659.62

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.