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Finding the Third Proportional to 169,620 and 356,676

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Solution

The third proportional to 169,620 and 356,676 is: 750,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,620 : 356,676 = 356,676 : x
  2. Step 2: Convert to fraction form
    169,620/356,676 = 356,676/x
  3. Step 3: Cross multiply
    169,620x = 356,676 × 356,676
  4. Step 4: Simplify right side
    169,620x = 127,217,768,976
  5. Step 5: Solve for x
    x = 127,217,768,976/169,620
  6. Step 6: Final answer
    x = 750,016.32

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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.