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Finding the Third Proportional to 3,155.25 and 4,527.75

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Solution

The third proportional to 3,155.25 and 4,527.75 is: 6,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.25 : 4,527.75 = 4,527.75 : x
  2. Step 2: Convert to fraction form
    3,155.25/4,527.75 = 4,527.75/x
  3. Step 3: Cross multiply
    3,155.25x = 4,527.75 × 4,527.75
  4. Step 4: Simplify right side
    3,155.25x = 20,500,520.06
  5. Step 5: Solve for x
    x = 20,500,520.06/3,155.25
  6. Step 6: Final answer
    x = 6,497.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.