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Finding the Third Proportional to 422,700.75 and 996,818.63

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Solution

The third proportional to 422,700.75 and 996,818.63 is: 2,350,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,700.75 : 996,818.63 = 996,818.63 : x
  2. Step 2: Convert to fraction form
    422,700.75/996,818.63 = 996,818.63/x
  3. Step 3: Cross multiply
    422,700.75x = 996,818.63 × 996,818.63
  4. Step 4: Simplify right side
    422,700.75x = 993,647,371,146.89
  5. Step 5: Solve for x
    x = 993,647,371,146.89/422,700.75
  6. Step 6: Final answer
    x = 2,350,711.16

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.