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Finding the Third Proportional to 79,710 and 167,682

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Solution

The third proportional to 79,710 and 167,682 is: 352,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710 : 167,682 = 167,682 : x
  2. Step 2: Convert to fraction form
    79,710/167,682 = 167,682/x
  3. Step 3: Cross multiply
    79,710x = 167,682 × 167,682
  4. Step 4: Simplify right side
    79,710x = 28,117,253,124
  5. Step 5: Solve for x
    x = 28,117,253,124/79,710
  6. Step 6: Final answer
    x = 352,744.36

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.