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Finding the Third Proportional to 450,876 and 674,892

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Solution

The third proportional to 450,876 and 674,892 is: 1,010,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,876 : 674,892 = 674,892 : x
  2. Step 2: Convert to fraction form
    450,876/674,892 = 674,892/x
  3. Step 3: Cross multiply
    450,876x = 674,892 × 674,892
  4. Step 4: Simplify right side
    450,876x = 455,479,211,664
  5. Step 5: Solve for x
    x = 455,479,211,664/450,876
  6. Step 6: Final answer
    x = 1,010,209.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.