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Finding the Third Proportional to 203,143.50 and 437,502

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Solution

The third proportional to 203,143.50 and 437,502 is: 942,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,143.50 : 437,502 = 437,502 : x
  2. Step 2: Convert to fraction form
    203,143.50/437,502 = 437,502/x
  3. Step 3: Cross multiply
    203,143.50x = 437,502 × 437,502
  4. Step 4: Simplify right side
    203,143.50x = 191,408,000,004
  5. Step 5: Solve for x
    x = 191,408,000,004/203,143.50
  6. Step 6: Final answer
    x = 942,230.49

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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.