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Finding the Third Proportional to 126,987.75 and 270,850.50

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Solution

The third proportional to 126,987.75 and 270,850.50 is: 577,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,987.75 : 270,850.50 = 270,850.50 : x
  2. Step 2: Convert to fraction form
    126,987.75/270,850.50 = 270,850.50/x
  3. Step 3: Cross multiply
    126,987.75x = 270,850.50 × 270,850.50
  4. Step 4: Simplify right side
    126,987.75x = 73,359,993,350.25
  5. Step 5: Solve for x
    x = 73,359,993,350.25/126,987.75
  6. Step 6: Final answer
    x = 577,693.47

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.