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Finding the Third Proportional to 81,769.50 and 175,263.75

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Solution

The third proportional to 81,769.50 and 175,263.75 is: 375,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,769.50 : 175,263.75 = 175,263.75 : x
  2. Step 2: Convert to fraction form
    81,769.50/175,263.75 = 175,263.75/x
  3. Step 3: Cross multiply
    81,769.50x = 175,263.75 × 175,263.75
  4. Step 4: Simplify right side
    81,769.50x = 30,717,382,064.06
  5. Step 5: Solve for x
    x = 30,717,382,064.06/81,769.50
  6. Step 6: Final answer
    x = 375,658.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.