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Finding the Third Proportional to 76,050 and 177,685

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Solution

The third proportional to 76,050 and 177,685 is: 415,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,050 : 177,685 = 177,685 : x
  2. Step 2: Convert to fraction form
    76,050/177,685 = 177,685/x
  3. Step 3: Cross multiply
    76,050x = 177,685 × 177,685
  4. Step 4: Simplify right side
    76,050x = 31,571,959,225
  5. Step 5: Solve for x
    x = 31,571,959,225/76,050
  6. Step 6: Final answer
    x = 415,147.39

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.