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Finding the Third Proportional to 5,761.13 and 12,399.75

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Solution

The third proportional to 5,761.13 and 12,399.75 is: 26,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.13 : 12,399.75 = 12,399.75 : x
  2. Step 2: Convert to fraction form
    5,761.13/12,399.75 = 12,399.75/x
  3. Step 3: Cross multiply
    5,761.13x = 12,399.75 × 12,399.75
  4. Step 4: Simplify right side
    5,761.13x = 153,753,800.06
  5. Step 5: Solve for x
    x = 153,753,800.06/5,761.13
  6. Step 6: Final answer
    x = 26,688.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.