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Finding the Third Proportional to 810,465 and 1,763,631

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Solution

The third proportional to 810,465 and 1,763,631 is: 3,837,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,465 : 1,763,631 = 1,763,631 : x
  2. Step 2: Convert to fraction form
    810,465/1,763,631 = 1,763,631/x
  3. Step 3: Cross multiply
    810,465x = 1,763,631 × 1,763,631
  4. Step 4: Simplify right side
    810,465x = 3,110,394,304,161
  5. Step 5: Solve for x
    x = 3,110,394,304,161/810,465
  6. Step 6: Final answer
    x = 3,837,789.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.