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Finding the Third Proportional to 2,728,350.84 and 4,279,970.39

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Solution

The third proportional to 2,728,350.84 and 4,279,970.39 is: 6,713,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,350.84 : 4,279,970.39 = 4,279,970.39 : x
  2. Step 2: Convert to fraction form
    2,728,350.84/4,279,970.39 = 4,279,970.39/x
  3. Step 3: Cross multiply
    2,728,350.84x = 4,279,970.39 × 4,279,970.39
  4. Step 4: Simplify right side
    2,728,350.84x = 18,318,146,544,626.71
  5. Step 5: Solve for x
    x = 18,318,146,544,626.71/2,728,350.84
  6. Step 6: Final answer
    x = 6,713,999.63

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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.