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Finding the Third Proportional to 79,710 and 170,868

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Solution

The third proportional to 79,710 and 170,868 is: 366,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710 : 170,868 = 170,868 : x
  2. Step 2: Convert to fraction form
    79,710/170,868 = 170,868/x
  3. Step 3: Cross multiply
    79,710x = 170,868 × 170,868
  4. Step 4: Simplify right side
    79,710x = 29,195,873,424
  5. Step 5: Solve for x
    x = 29,195,873,424/79,710
  6. Step 6: Final answer
    x = 366,276.17

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.