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Finding the Third Proportional to 11,341.50 and 13,425

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Solution

The third proportional to 11,341.50 and 13,425 is: 15,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.50 : 13,425 = 13,425 : x
  2. Step 2: Convert to fraction form
    11,341.50/13,425 = 13,425/x
  3. Step 3: Cross multiply
    11,341.50x = 13,425 × 13,425
  4. Step 4: Simplify right side
    11,341.50x = 180,230,625
  5. Step 5: Solve for x
    x = 180,230,625/11,341.50
  6. Step 6: Final answer
    x = 15,891.25

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.