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Finding the Third Proportional to 84,292.50 and 176,376.75

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Solution

The third proportional to 84,292.50 and 176,376.75 is: 369,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,292.50 : 176,376.75 = 176,376.75 : x
  2. Step 2: Convert to fraction form
    84,292.50/176,376.75 = 176,376.75/x
  3. Step 3: Cross multiply
    84,292.50x = 176,376.75 × 176,376.75
  4. Step 4: Simplify right side
    84,292.50x = 31,108,757,940.56
  5. Step 5: Solve for x
    x = 31,108,757,940.56/84,292.50
  6. Step 6: Final answer
    x = 369,057.25

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.