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Finding the Third Proportional to 177,655.50 and 388,523.25

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Solution

The third proportional to 177,655.50 and 388,523.25 is: 849,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,655.50 : 388,523.25 = 388,523.25 : x
  2. Step 2: Convert to fraction form
    177,655.50/388,523.25 = 388,523.25/x
  3. Step 3: Cross multiply
    177,655.50x = 388,523.25 × 388,523.25
  4. Step 4: Simplify right side
    177,655.50x = 150,950,315,790.56
  5. Step 5: Solve for x
    x = 150,950,315,790.56/177,655.50
  6. Step 6: Final answer
    x = 849,679.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.