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Finding the Third Proportional to 451,826 and 982,405

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Solution

The third proportional to 451,826 and 982,405 is: 2,136,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,826 : 982,405 = 982,405 : x
  2. Step 2: Convert to fraction form
    451,826/982,405 = 982,405/x
  3. Step 3: Cross multiply
    451,826x = 982,405 × 982,405
  4. Step 4: Simplify right side
    451,826x = 965,119,584,025
  5. Step 5: Solve for x
    x = 965,119,584,025/451,826
  6. Step 6: Final answer
    x = 2,136,042.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.