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Finding the Third Proportional to 75,215 and 163,923

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Solution

The third proportional to 75,215 and 163,923 is: 357,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,215 : 163,923 = 163,923 : x
  2. Step 2: Convert to fraction form
    75,215/163,923 = 163,923/x
  3. Step 3: Cross multiply
    75,215x = 163,923 × 163,923
  4. Step 4: Simplify right side
    75,215x = 26,870,749,929
  5. Step 5: Solve for x
    x = 26,870,749,929/75,215
  6. Step 6: Final answer
    x = 357,252.54

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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.