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Finding the Third Proportional to 195,615 and 417,066

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Solution

The third proportional to 195,615 and 417,066 is: 889,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,615 : 417,066 = 417,066 : x
  2. Step 2: Convert to fraction form
    195,615/417,066 = 417,066/x
  3. Step 3: Cross multiply
    195,615x = 417,066 × 417,066
  4. Step 4: Simplify right side
    195,615x = 173,944,048,356
  5. Step 5: Solve for x
    x = 173,944,048,356/195,615
  6. Step 6: Final answer
    x = 889,216.31

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.