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Finding the Third Proportional to 18,179,797.50 and 25,509,855.38

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Solution

The third proportional to 18,179,797.50 and 25,509,855.38 is: 35,795,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179,797.50 : 25,509,855.38 = 25,509,855.38 : x
  2. Step 2: Convert to fraction form
    18,179,797.50/25,509,855.38 = 25,509,855.38/x
  3. Step 3: Cross multiply
    18,179,797.50x = 25,509,855.38 × 25,509,855.38
  4. Step 4: Simplify right side
    18,179,797.50x = 650,752,721,253,416.38
  5. Step 5: Solve for x
    x = 650,752,721,253,416.38/18,179,797.50
  6. Step 6: Final answer
    x = 35,795,377.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.