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Finding the Third Proportional to 40,408.88 and 86,771.25

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Solution

The third proportional to 40,408.88 and 86,771.25 is: 186,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.88 : 86,771.25 = 86,771.25 : x
  2. Step 2: Convert to fraction form
    40,408.88/86,771.25 = 86,771.25/x
  3. Step 3: Cross multiply
    40,408.88x = 86,771.25 × 86,771.25
  4. Step 4: Simplify right side
    40,408.88x = 7,529,249,826.56
  5. Step 5: Solve for x
    x = 7,529,249,826.56/40,408.88
  6. Step 6: Final answer
    x = 186,326.64

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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.