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Finding the Third Proportional to 454,956.75 and 667,662.75

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Solution

The third proportional to 454,956.75 and 667,662.75 is: 979,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,956.75 : 667,662.75 = 667,662.75 : x
  2. Step 2: Convert to fraction form
    454,956.75/667,662.75 = 667,662.75/x
  3. Step 3: Cross multiply
    454,956.75x = 667,662.75 × 667,662.75
  4. Step 4: Simplify right side
    454,956.75x = 445,773,547,737.56
  5. Step 5: Solve for x
    x = 445,773,547,737.56/454,956.75
  6. Step 6: Final answer
    x = 979,815.22

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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.