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Finding the Third Proportional to 2,738,981.25 and 4,257,982.69

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Solution

The third proportional to 2,738,981.25 and 4,257,982.69 is: 6,619,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,981.25 : 4,257,982.69 = 4,257,982.69 : x
  2. Step 2: Convert to fraction form
    2,738,981.25/4,257,982.69 = 4,257,982.69/x
  3. Step 3: Cross multiply
    2,738,981.25x = 4,257,982.69 × 4,257,982.69
  4. Step 4: Simplify right side
    2,738,981.25x = 18,130,416,567,049.72
  5. Step 5: Solve for x
    x = 18,130,416,567,049.72/2,738,981.25
  6. Step 6: Final answer
    x = 6,619,401.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.