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Finding the Third Proportional to 264,758 and 399,573

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Solution

The third proportional to 264,758 and 399,573 is: 603,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,758 : 399,573 = 399,573 : x
  2. Step 2: Convert to fraction form
    264,758/399,573 = 399,573/x
  3. Step 3: Cross multiply
    264,758x = 399,573 × 399,573
  4. Step 4: Simplify right side
    264,758x = 159,658,582,329
  5. Step 5: Solve for x
    x = 159,658,582,329/264,758
  6. Step 6: Final answer
    x = 603,035.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.