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Finding the Third Proportional to 320.06 and 462.94

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Solution

The third proportional to 320.06 and 462.94 is: 669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320.06 : 462.94 = 462.94 : x
  2. Step 2: Convert to fraction form
    320.06/462.94 = 462.94/x
  3. Step 3: Cross multiply
    320.06x = 462.94 × 462.94
  4. Step 4: Simplify right side
    320.06x = 214,311.13
  5. Step 5: Solve for x
    x = 214,311.13/320.06
  6. Step 6: Final answer
    x = 669.59

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.