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Finding the Third Proportional to 454,375 and 996,879

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Solution

The third proportional to 454,375 and 996,879 is: 2,187,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,375 : 996,879 = 996,879 : x
  2. Step 2: Convert to fraction form
    454,375/996,879 = 996,879/x
  3. Step 3: Cross multiply
    454,375x = 996,879 × 996,879
  4. Step 4: Simplify right side
    454,375x = 993,767,740,641
  5. Step 5: Solve for x
    x = 993,767,740,641/454,375
  6. Step 6: Final answer
    x = 2,187,109.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.