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Finding the Third Proportional to 5,382.88 and 11,826.63

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Solution

The third proportional to 5,382.88 and 11,826.63 is: 25,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.88 : 11,826.63 = 11,826.63 : x
  2. Step 2: Convert to fraction form
    5,382.88/11,826.63 = 11,826.63/x
  3. Step 3: Cross multiply
    5,382.88x = 11,826.63 × 11,826.63
  4. Step 4: Simplify right side
    5,382.88x = 139,869,058.89
  5. Step 5: Solve for x
    x = 139,869,058.89/5,382.88
  6. Step 6: Final answer
    x = 25,984.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.