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Finding the Third Proportional to 2,728,353.38 and 4,279,975.88

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Solution

The third proportional to 2,728,353.38 and 4,279,975.88 is: 6,714,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,353.38 : 4,279,975.88 = 4,279,975.88 : x
  2. Step 2: Convert to fraction form
    2,728,353.38/4,279,975.88 = 4,279,975.88/x
  3. Step 3: Cross multiply
    2,728,353.38x = 4,279,975.88 × 4,279,975.88
  4. Step 4: Simplify right side
    2,728,353.38x = 18,318,193,490,582.02
  5. Step 5: Solve for x
    x = 18,318,193,490,582.02/2,728,353.38
  6. Step 6: Final answer
    x = 6,714,010.60

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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.