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Finding the Third Proportional to 84,928.50 and 187,960.50

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Solution

The third proportional to 84,928.50 and 187,960.50 is: 415,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,928.50 : 187,960.50 = 187,960.50 : x
  2. Step 2: Convert to fraction form
    84,928.50/187,960.50 = 187,960.50/x
  3. Step 3: Cross multiply
    84,928.50x = 187,960.50 × 187,960.50
  4. Step 4: Simplify right side
    84,928.50x = 35,329,149,560.25
  5. Step 5: Solve for x
    x = 35,329,149,560.25/84,928.50
  6. Step 6: Final answer
    x = 415,986.97

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.