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Finding the Third Proportional to 399,059.44 and 875,727.56

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Solution

The third proportional to 399,059.44 and 875,727.56 is: 1,921,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,059.44 : 875,727.56 = 875,727.56 : x
  2. Step 2: Convert to fraction form
    399,059.44/875,727.56 = 875,727.56/x
  3. Step 3: Cross multiply
    399,059.44x = 875,727.56 × 875,727.56
  4. Step 4: Simplify right side
    399,059.44x = 766,898,763,722.19
  5. Step 5: Solve for x
    x = 766,898,763,722.19/399,059.44
  6. Step 6: Final answer
    x = 1,921,765.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.