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Finding the Third Proportional to 911,216.25 and 2,109,479.63

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Solution

The third proportional to 911,216.25 and 2,109,479.63 is: 4,883,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,216.25 : 2,109,479.63 = 2,109,479.63 : x
  2. Step 2: Convert to fraction form
    911,216.25/2,109,479.63 = 2,109,479.63/x
  3. Step 3: Cross multiply
    911,216.25x = 2,109,479.63 × 2,109,479.63
  4. Step 4: Simplify right side
    911,216.25x = 4,449,904,288,290.14
  5. Step 5: Solve for x
    x = 4,449,904,288,290.14/911,216.25
  6. Step 6: Final answer
    x = 4,883,477.76

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.