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Finding the Third Proportional to 459,876 and 671,958

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Solution

The third proportional to 459,876 and 671,958 is: 981,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,876 : 671,958 = 671,958 : x
  2. Step 2: Convert to fraction form
    459,876/671,958 = 671,958/x
  3. Step 3: Cross multiply
    459,876x = 671,958 × 671,958
  4. Step 4: Simplify right side
    459,876x = 451,527,553,764
  5. Step 5: Solve for x
    x = 451,527,553,764/459,876
  6. Step 6: Final answer
    x = 981,846.31

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.