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Finding the Third Proportional to 4,502.25 and 7,122.75

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Solution

The third proportional to 4,502.25 and 7,122.75 is: 11,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.25 : 7,122.75 = 7,122.75 : x
  2. Step 2: Convert to fraction form
    4,502.25/7,122.75 = 7,122.75/x
  3. Step 3: Cross multiply
    4,502.25x = 7,122.75 × 7,122.75
  4. Step 4: Simplify right side
    4,502.25x = 50,733,567.56
  5. Step 5: Solve for x
    x = 50,733,567.56/4,502.25
  6. Step 6: Final answer
    x = 11,268.49

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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.