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Finding the Third Proportional to 193,578 and 417,774

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Solution

The third proportional to 193,578 and 417,774 is: 901,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,578 : 417,774 = 417,774 : x
  2. Step 2: Convert to fraction form
    193,578/417,774 = 417,774/x
  3. Step 3: Cross multiply
    193,578x = 417,774 × 417,774
  4. Step 4: Simplify right side
    193,578x = 174,535,115,076
  5. Step 5: Solve for x
    x = 174,535,115,076/193,578
  6. Step 6: Final answer
    x = 901,626.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.