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Finding the Third Proportional to 132,226 and 290,694

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Solution

The third proportional to 132,226 and 290,694 is: 639,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,226 : 290,694 = 290,694 : x
  2. Step 2: Convert to fraction form
    132,226/290,694 = 290,694/x
  3. Step 3: Cross multiply
    132,226x = 290,694 × 290,694
  4. Step 4: Simplify right side
    132,226x = 84,503,001,636
  5. Step 5: Solve for x
    x = 84,503,001,636/132,226
  6. Step 6: Final answer
    x = 639,080.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.