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Finding the Third Proportional to 19,687,439.25 and 30,813,471

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Solution

The third proportional to 19,687,439.25 and 30,813,471 is: 48,227,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687,439.25 : 30,813,471 = 30,813,471 : x
  2. Step 2: Convert to fraction form
    19,687,439.25/30,813,471 = 30,813,471/x
  3. Step 3: Cross multiply
    19,687,439.25x = 30,813,471 × 30,813,471
  4. Step 4: Simplify right side
    19,687,439.25x = 949,469,995,067,841
  5. Step 5: Solve for x
    x = 949,469,995,067,841/19,687,439.25
  6. Step 6: Final answer
    x = 48,227,196.18

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.