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Finding the Third Proportional to 462.75 and 665.44

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Solution

The third proportional to 462.75 and 665.44 is: 956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.75 : 665.44 = 665.44 : x
  2. Step 2: Convert to fraction form
    462.75/665.44 = 665.44/x
  3. Step 3: Cross multiply
    462.75x = 665.44 × 665.44
  4. Step 4: Simplify right side
    462.75x = 442,807.07
  5. Step 5: Solve for x
    x = 442,807.07/462.75
  6. Step 6: Final answer
    x = 956.90

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.