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Finding the Third Proportional to 3,817,939.50 and 5,340,546

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Solution

The third proportional to 3,817,939.50 and 5,340,546 is: 7,470,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817,939.50 : 5,340,546 = 5,340,546 : x
  2. Step 2: Convert to fraction form
    3,817,939.50/5,340,546 = 5,340,546/x
  3. Step 3: Cross multiply
    3,817,939.50x = 5,340,546 × 5,340,546
  4. Step 4: Simplify right side
    3,817,939.50x = 28,521,431,578,116
  5. Step 5: Solve for x
    x = 28,521,431,578,116/3,817,939.50
  6. Step 6: Final answer
    x = 7,470,372.85

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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.