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Finding the Third Proportional to 3,642.75 and 5,600.25

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Solution

The third proportional to 3,642.75 and 5,600.25 is: 8,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.75 : 5,600.25 = 5,600.25 : x
  2. Step 2: Convert to fraction form
    3,642.75/5,600.25 = 5,600.25/x
  3. Step 3: Cross multiply
    3,642.75x = 5,600.25 × 5,600.25
  4. Step 4: Simplify right side
    3,642.75x = 31,362,800.06
  5. Step 5: Solve for x
    x = 31,362,800.06/3,642.75
  6. Step 6: Final answer
    x = 8,609.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.