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Finding the Third Proportional to 656.38 and 1,204.75

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Solution

The third proportional to 656.38 and 1,204.75 is: 2,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.38 : 1,204.75 = 1,204.75 : x
  2. Step 2: Convert to fraction form
    656.38/1,204.75 = 1,204.75/x
  3. Step 3: Cross multiply
    656.38x = 1,204.75 × 1,204.75
  4. Step 4: Simplify right side
    656.38x = 1,451,422.56
  5. Step 5: Solve for x
    x = 1,451,422.56/656.38
  6. Step 6: Final answer
    x = 2,211.27

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.