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Finding the Third Proportional to 231,736.50 and 310,380.75

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Solution

The third proportional to 231,736.50 and 310,380.75 is: 415,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,736.50 : 310,380.75 = 310,380.75 : x
  2. Step 2: Convert to fraction form
    231,736.50/310,380.75 = 310,380.75/x
  3. Step 3: Cross multiply
    231,736.50x = 310,380.75 × 310,380.75
  4. Step 4: Simplify right side
    231,736.50x = 96,336,209,970.56
  5. Step 5: Solve for x
    x = 96,336,209,970.56/231,736.50
  6. Step 6: Final answer
    x = 415,714.44

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.