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Finding the Third Proportional to 4,527.56 and 6,724.13

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Solution

The third proportional to 4,527.56 and 6,724.13 is: 9,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,527.56 : 6,724.13 = 6,724.13 : x
  2. Step 2: Convert to fraction form
    4,527.56/6,724.13 = 6,724.13/x
  3. Step 3: Cross multiply
    4,527.56x = 6,724.13 × 6,724.13
  4. Step 4: Simplify right side
    4,527.56x = 45,213,857.02
  5. Step 5: Solve for x
    x = 45,213,857.02/4,527.56
  6. Step 6: Final answer
    x = 9,986.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.