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Finding the Third Proportional to 79,063 and 170,215

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Solution

The third proportional to 79,063 and 170,215 is: 366,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,063 : 170,215 = 170,215 : x
  2. Step 2: Convert to fraction form
    79,063/170,215 = 170,215/x
  3. Step 3: Cross multiply
    79,063x = 170,215 × 170,215
  4. Step 4: Simplify right side
    79,063x = 28,973,146,225
  5. Step 5: Solve for x
    x = 28,973,146,225/79,063
  6. Step 6: Final answer
    x = 366,456.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.