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Finding the Third Proportional to 669 and 1,464

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Solution

The third proportional to 669 and 1,464 is: 3,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    669 : 1,464 = 1,464 : x
  2. Step 2: Convert to fraction form
    669/1,464 = 1,464/x
  3. Step 3: Cross multiply
    669x = 1,464 × 1,464
  4. Step 4: Simplify right side
    669x = 2,143,296
  5. Step 5: Solve for x
    x = 2,143,296/669
  6. Step 6: Final answer
    x = 3,203.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.