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Finding the Third Proportional to 12,874,016.25 and 18,042,900.75

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Solution

The third proportional to 12,874,016.25 and 18,042,900.75 is: 25,287,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,016.25 : 18,042,900.75 = 18,042,900.75 : x
  2. Step 2: Convert to fraction form
    12,874,016.25/18,042,900.75 = 18,042,900.75/x
  3. Step 3: Cross multiply
    12,874,016.25x = 18,042,900.75 × 18,042,900.75
  4. Step 4: Simplify right side
    12,874,016.25x = 325,546,267,474,350.56
  5. Step 5: Solve for x
    x = 325,546,267,474,350.56/12,874,016.25
  6. Step 6: Final answer
    x = 25,287,079.12

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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.