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Finding the Third Proportional to 2,415.38 and 5,163.19

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Solution

The third proportional to 2,415.38 and 5,163.19 is: 11,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.38 : 5,163.19 = 5,163.19 : x
  2. Step 2: Convert to fraction form
    2,415.38/5,163.19 = 5,163.19/x
  3. Step 3: Cross multiply
    2,415.38x = 5,163.19 × 5,163.19
  4. Step 4: Simplify right side
    2,415.38x = 26,658,505.16
  5. Step 5: Solve for x
    x = 26,658,505.16/2,415.38
  6. Step 6: Final answer
    x = 11,037.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.