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Finding the Third Proportional to 83,472.75 and 127,969.88

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Solution

The third proportional to 83,472.75 and 127,969.88 is: 196,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,472.75 : 127,969.88 = 127,969.88 : x
  2. Step 2: Convert to fraction form
    83,472.75/127,969.88 = 127,969.88/x
  3. Step 3: Cross multiply
    83,472.75x = 127,969.88 × 127,969.88
  4. Step 4: Simplify right side
    83,472.75x = 16,376,288,907.52
  5. Step 5: Solve for x
    x = 16,376,288,907.52/83,472.75
  6. Step 6: Final answer
    x = 196,187.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.