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Finding the Third Proportional to 3,081,728 and 4,790,445

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Solution

The third proportional to 3,081,728 and 4,790,445 is: 7,446,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,728 : 4,790,445 = 4,790,445 : x
  2. Step 2: Convert to fraction form
    3,081,728/4,790,445 = 4,790,445/x
  3. Step 3: Cross multiply
    3,081,728x = 4,790,445 × 4,790,445
  4. Step 4: Simplify right side
    3,081,728x = 22,948,363,298,025
  5. Step 5: Solve for x
    x = 22,948,363,298,025/3,081,728
  6. Step 6: Final answer
    x = 7,446,589.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.