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Finding the Third Proportional to 79,614 and 171,020

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Solution

The third proportional to 79,614 and 171,020 is: 367,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,614 : 171,020 = 171,020 : x
  2. Step 2: Convert to fraction form
    79,614/171,020 = 171,020/x
  3. Step 3: Cross multiply
    79,614x = 171,020 × 171,020
  4. Step 4: Simplify right side
    79,614x = 29,247,840,400
  5. Step 5: Solve for x
    x = 29,247,840,400/79,614
  6. Step 6: Final answer
    x = 367,370.57

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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.