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Finding the Third Proportional to 911,769 and 1,984,079.25

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Solution

The third proportional to 911,769 and 1,984,079.25 is: 4,317,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,769 : 1,984,079.25 = 1,984,079.25 : x
  2. Step 2: Convert to fraction form
    911,769/1,984,079.25 = 1,984,079.25/x
  3. Step 3: Cross multiply
    911,769x = 1,984,079.25 × 1,984,079.25
  4. Step 4: Simplify right side
    911,769x = 3,936,570,470,280.56
  5. Step 5: Solve for x
    x = 3,936,570,470,280.56/911,769
  6. Step 6: Final answer
    x = 4,317,508.57

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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.