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Finding the Third Proportional to 135,786 and 295,668

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Solution

The third proportional to 135,786 and 295,668 is: 643,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,786 : 295,668 = 295,668 : x
  2. Step 2: Convert to fraction form
    135,786/295,668 = 295,668/x
  3. Step 3: Cross multiply
    135,786x = 295,668 × 295,668
  4. Step 4: Simplify right side
    135,786x = 87,419,566,224
  5. Step 5: Solve for x
    x = 87,419,566,224/135,786
  6. Step 6: Final answer
    x = 643,803.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.