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Finding the Third Proportional to 3,857,685.75 and 8,296,020

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Solution

The third proportional to 3,857,685.75 and 8,296,020 is: 17,840,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,685.75 : 8,296,020 = 8,296,020 : x
  2. Step 2: Convert to fraction form
    3,857,685.75/8,296,020 = 8,296,020/x
  3. Step 3: Cross multiply
    3,857,685.75x = 8,296,020 × 8,296,020
  4. Step 4: Simplify right side
    3,857,685.75x = 68,823,947,840,400
  5. Step 5: Solve for x
    x = 68,823,947,840,400/3,857,685.75
  6. Step 6: Final answer
    x = 17,840,734.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.