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Finding the Third Proportional to 911,394.75 and 1,963,020.75

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Solution

The third proportional to 911,394.75 and 1,963,020.75 is: 4,228,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,394.75 : 1,963,020.75 = 1,963,020.75 : x
  2. Step 2: Convert to fraction form
    911,394.75/1,963,020.75 = 1,963,020.75/x
  3. Step 3: Cross multiply
    911,394.75x = 1,963,020.75 × 1,963,020.75
  4. Step 4: Simplify right side
    911,394.75x = 3,853,450,464,930.56
  5. Step 5: Solve for x
    x = 3,853,450,464,930.56/911,394.75
  6. Step 6: Final answer
    x = 4,228,080.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.