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Finding the Third Proportional to 195,615 and 425,979

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Solution

The third proportional to 195,615 and 425,979 is: 927,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,615 : 425,979 = 425,979 : x
  2. Step 2: Convert to fraction form
    195,615/425,979 = 425,979/x
  3. Step 3: Cross multiply
    195,615x = 425,979 × 425,979
  4. Step 4: Simplify right side
    195,615x = 181,458,108,441
  5. Step 5: Solve for x
    x = 181,458,108,441/195,615
  6. Step 6: Final answer
    x = 927,628.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.