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Finding the Third Proportional to 861,995.25 and 1,813,309.88

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Solution

The third proportional to 861,995.25 and 1,813,309.88 is: 3,814,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,995.25 : 1,813,309.88 = 1,813,309.88 : x
  2. Step 2: Convert to fraction form
    861,995.25/1,813,309.88 = 1,813,309.88/x
  3. Step 3: Cross multiply
    861,995.25x = 1,813,309.88 × 1,813,309.88
  4. Step 4: Simplify right side
    861,995.25x = 3,288,092,702,772.52
  5. Step 5: Solve for x
    x = 3,288,092,702,772.52/861,995.25
  6. Step 6: Final answer
    x = 3,814,513.71

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.