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Finding the Third Proportional to 202,188 and 437,910

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Solution

The third proportional to 202,188 and 437,910 is: 948,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,188 : 437,910 = 437,910 : x
  2. Step 2: Convert to fraction form
    202,188/437,910 = 437,910/x
  3. Step 3: Cross multiply
    202,188x = 437,910 × 437,910
  4. Step 4: Simplify right side
    202,188x = 191,765,168,100
  5. Step 5: Solve for x
    x = 191,765,168,100/202,188
  6. Step 6: Final answer
    x = 948,449.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.