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Finding the Third Proportional to 203,989.50 and 337,119.75

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Solution

The third proportional to 203,989.50 and 337,119.75 is: 557,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,989.50 : 337,119.75 = 337,119.75 : x
  2. Step 2: Convert to fraction form
    203,989.50/337,119.75 = 337,119.75/x
  3. Step 3: Cross multiply
    203,989.50x = 337,119.75 × 337,119.75
  4. Step 4: Simplify right side
    203,989.50x = 113,649,725,840.06
  5. Step 5: Solve for x
    x = 113,649,725,840.06/203,989.50
  6. Step 6: Final answer
    x = 557,135.18

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.