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Finding the Third Proportional to 1,682,790 and 2,610,612.25

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Solution

The third proportional to 1,682,790 and 2,610,612.25 is: 4,049,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,790 : 2,610,612.25 = 2,610,612.25 : x
  2. Step 2: Convert to fraction form
    1,682,790/2,610,612.25 = 2,610,612.25/x
  3. Step 3: Cross multiply
    1,682,790x = 2,610,612.25 × 2,610,612.25
  4. Step 4: Simplify right side
    1,682,790x = 6,815,296,319,850.06
  5. Step 5: Solve for x
    x = 6,815,296,319,850.06/1,682,790
  6. Step 6: Final answer
    x = 4,049,998.11

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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.