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Finding the Third Proportional to 101,928.75 and 207,240.75

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Solution

The third proportional to 101,928.75 and 207,240.75 is: 421,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,928.75 : 207,240.75 = 207,240.75 : x
  2. Step 2: Convert to fraction form
    101,928.75/207,240.75 = 207,240.75/x
  3. Step 3: Cross multiply
    101,928.75x = 207,240.75 × 207,240.75
  4. Step 4: Simplify right side
    101,928.75x = 42,948,728,460.56
  5. Step 5: Solve for x
    x = 42,948,728,460.56/101,928.75
  6. Step 6: Final answer
    x = 421,360.30

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.