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Finding the Third Proportional to 422,745 and 996,928

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Solution

The third proportional to 422,745 and 996,928 is: 2,350,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,745 : 996,928 = 996,928 : x
  2. Step 2: Convert to fraction form
    422,745/996,928 = 996,928/x
  3. Step 3: Cross multiply
    422,745x = 996,928 × 996,928
  4. Step 4: Simplify right side
    422,745x = 993,865,437,184
  5. Step 5: Solve for x
    x = 993,865,437,184/422,745
  6. Step 6: Final answer
    x = 2,350,980.94

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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.