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Finding the Third Proportional to 208,255.50 and 446,643

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Solution

The third proportional to 208,255.50 and 446,643 is: 957,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,255.50 : 446,643 = 446,643 : x
  2. Step 2: Convert to fraction form
    208,255.50/446,643 = 446,643/x
  3. Step 3: Cross multiply
    208,255.50x = 446,643 × 446,643
  4. Step 4: Simplify right side
    208,255.50x = 199,489,969,449
  5. Step 5: Solve for x
    x = 199,489,969,449/208,255.50
  6. Step 6: Final answer
    x = 957,909.73

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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.