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Finding the Third Proportional to 203,474.75 and 299,330.25

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Solution

The third proportional to 203,474.75 and 299,330.25 is: 440,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,474.75 : 299,330.25 = 299,330.25 : x
  2. Step 2: Convert to fraction form
    203,474.75/299,330.25 = 299,330.25/x
  3. Step 3: Cross multiply
    203,474.75x = 299,330.25 × 299,330.25
  4. Step 4: Simplify right side
    203,474.75x = 89,598,598,565.06
  5. Step 5: Solve for x
    x = 89,598,598,565.06/203,474.75
  6. Step 6: Final answer
    x = 440,342.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.