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Finding the Third Proportional to 177,288.50 and 266,057.25

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Solution

The third proportional to 177,288.50 and 266,057.25 is: 399,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,288.50 : 266,057.25 = 266,057.25 : x
  2. Step 2: Convert to fraction form
    177,288.50/266,057.25 = 266,057.25/x
  3. Step 3: Cross multiply
    177,288.50x = 266,057.25 × 266,057.25
  4. Step 4: Simplify right side
    177,288.50x = 70,786,460,277.56
  5. Step 5: Solve for x
    x = 70,786,460,277.56/177,288.50
  6. Step 6: Final answer
    x = 399,272.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.