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Finding the Third Proportional to 177,900.75 and 388,633.25

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Solution

The third proportional to 177,900.75 and 388,633.25 is: 848,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,900.75 : 388,633.25 = 388,633.25 : x
  2. Step 2: Convert to fraction form
    177,900.75/388,633.25 = 388,633.25/x
  3. Step 3: Cross multiply
    177,900.75x = 388,633.25 × 388,633.25
  4. Step 4: Simplify right side
    177,900.75x = 151,035,803,005.56
  5. Step 5: Solve for x
    x = 151,035,803,005.56/177,900.75
  6. Step 6: Final answer
    x = 848,989.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.