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Finding the Third Proportional to 3,994,153.50 and 6,489,187.50

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Solution

The third proportional to 3,994,153.50 and 6,489,187.50 is: 10,542,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,153.50 : 6,489,187.50 = 6,489,187.50 : x
  2. Step 2: Convert to fraction form
    3,994,153.50/6,489,187.50 = 6,489,187.50/x
  3. Step 3: Cross multiply
    3,994,153.50x = 6,489,187.50 × 6,489,187.50
  4. Step 4: Simplify right side
    3,994,153.50x = 42,109,554,410,156.25
  5. Step 5: Solve for x
    x = 42,109,554,410,156.25/3,994,153.50
  6. Step 6: Final answer
    x = 10,542,798.22

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.