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Finding the Third Proportional to 465 and 676

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Solution

The third proportional to 465 and 676 is: 982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    465 : 676 = 676 : x
  2. Step 2: Convert to fraction form
    465/676 = 676/x
  3. Step 3: Cross multiply
    465x = 676 × 676
  4. Step 4: Simplify right side
    465x = 456,976
  5. Step 5: Solve for x
    x = 456,976/465
  6. Step 6: Final answer
    x = 982.74

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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.