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Finding the Third Proportional to 96,780.75 and 208,392.75

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Solution

The third proportional to 96,780.75 and 208,392.75 is: 448,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,780.75 : 208,392.75 = 208,392.75 : x
  2. Step 2: Convert to fraction form
    96,780.75/208,392.75 = 208,392.75/x
  3. Step 3: Cross multiply
    96,780.75x = 208,392.75 × 208,392.75
  4. Step 4: Simplify right side
    96,780.75x = 43,427,538,252.56
  5. Step 5: Solve for x
    x = 43,427,538,252.56/96,780.75
  6. Step 6: Final answer
    x = 448,720.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.