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Finding the Third Proportional to 40,503 and 54,525

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Solution

The third proportional to 40,503 and 54,525 is: 73,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503 : 54,525 = 54,525 : x
  2. Step 2: Convert to fraction form
    40,503/54,525 = 54,525/x
  3. Step 3: Cross multiply
    40,503x = 54,525 × 54,525
  4. Step 4: Simplify right side
    40,503x = 2,972,975,625
  5. Step 5: Solve for x
    x = 2,972,975,625/40,503
  6. Step 6: Final answer
    x = 73,401.37

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.