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Finding the Third Proportional to 203,391 and 300,934.62

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Solution

The third proportional to 203,391 and 300,934.62 is: 445,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,391 : 300,934.62 = 300,934.62 : x
  2. Step 2: Convert to fraction form
    203,391/300,934.62 = 300,934.62/x
  3. Step 3: Cross multiply
    203,391x = 300,934.62 × 300,934.62
  4. Step 4: Simplify right side
    203,391x = 90,561,643,821.79
  5. Step 5: Solve for x
    x = 90,561,643,821.79/203,391
  6. Step 6: Final answer
    x = 445,258.86

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.