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Finding the Third Proportional to 3,888,970.88 and 5,601,816

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Solution

The third proportional to 3,888,970.88 and 5,601,816 is: 8,069,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,970.88 : 5,601,816 = 5,601,816 : x
  2. Step 2: Convert to fraction form
    3,888,970.88/5,601,816 = 5,601,816/x
  3. Step 3: Cross multiply
    3,888,970.88x = 5,601,816 × 5,601,816
  4. Step 4: Simplify right side
    3,888,970.88x = 31,380,342,497,856
  5. Step 5: Solve for x
    x = 31,380,342,497,856/3,888,970.88
  6. Step 6: Final answer
    x = 8,069,060.81

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.