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Finding the Third Proportional to 372,930 and 552,401

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Solution

The third proportional to 372,930 and 552,401 is: 818,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,930 : 552,401 = 552,401 : x
  2. Step 2: Convert to fraction form
    372,930/552,401 = 552,401/x
  3. Step 3: Cross multiply
    372,930x = 552,401 × 552,401
  4. Step 4: Simplify right side
    372,930x = 305,146,864,801
  5. Step 5: Solve for x
    x = 305,146,864,801/372,930
  6. Step 6: Final answer
    x = 818,241.67

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.