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Finding the Third Proportional to 456 and 734

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Solution

The third proportional to 456 and 734 is: 1,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456 : 734 = 734 : x
  2. Step 2: Convert to fraction form
    456/734 = 734/x
  3. Step 3: Cross multiply
    456x = 734 × 734
  4. Step 4: Simplify right side
    456x = 538,756
  5. Step 5: Solve for x
    x = 538,756/456
  6. Step 6: Final answer
    x = 1,181.48

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.