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Finding the Third Proportional to 460.75 and 997.25

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Solution

The third proportional to 460.75 and 997.25 is: 2,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.75 : 997.25 = 997.25 : x
  2. Step 2: Convert to fraction form
    460.75/997.25 = 997.25/x
  3. Step 3: Cross multiply
    460.75x = 997.25 × 997.25
  4. Step 4: Simplify right side
    460.75x = 994,507.56
  5. Step 5: Solve for x
    x = 994,507.56/460.75
  6. Step 6: Final answer
    x = 2,158.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.