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Finding the Third Proportional to 83,992.50 and 127,320.75

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Solution

The third proportional to 83,992.50 and 127,320.75 is: 193,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,992.50 : 127,320.75 = 127,320.75 : x
  2. Step 2: Convert to fraction form
    83,992.50/127,320.75 = 127,320.75/x
  3. Step 3: Cross multiply
    83,992.50x = 127,320.75 × 127,320.75
  4. Step 4: Simplify right side
    83,992.50x = 16,210,573,380.56
  5. Step 5: Solve for x
    x = 16,210,573,380.56/83,992.50
  6. Step 6: Final answer
    x = 193,000.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.