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Finding the Third Proportional to 468 and 665.63

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Solution

The third proportional to 468 and 665.63 is: 946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468 : 665.63 = 665.63 : x
  2. Step 2: Convert to fraction form
    468/665.63 = 665.63/x
  3. Step 3: Cross multiply
    468x = 665.63 × 665.63
  4. Step 4: Simplify right side
    468x = 443,056.64
  5. Step 5: Solve for x
    x = 443,056.64/468
  6. Step 6: Final answer
    x = 946.70

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.