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Finding the Third Proportional to 5,425.88 and 11,890.69

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Solution

The third proportional to 5,425.88 and 11,890.69 is: 26,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.88 : 11,890.69 = 11,890.69 : x
  2. Step 2: Convert to fraction form
    5,425.88/11,890.69 = 11,890.69/x
  3. Step 3: Cross multiply
    5,425.88x = 11,890.69 × 11,890.69
  4. Step 4: Simplify right side
    5,425.88x = 141,388,449.22
  5. Step 5: Solve for x
    x = 141,388,449.22/5,425.88
  6. Step 6: Final answer
    x = 26,058.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.