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Finding the Third Proportional to 118,788 and 177,600

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Solution

The third proportional to 118,788 and 177,600 is: 265,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,788 : 177,600 = 177,600 : x
  2. Step 2: Convert to fraction form
    118,788/177,600 = 177,600/x
  3. Step 3: Cross multiply
    118,788x = 177,600 × 177,600
  4. Step 4: Simplify right side
    118,788x = 31,541,760,000
  5. Step 5: Solve for x
    x = 31,541,760,000/118,788
  6. Step 6: Final answer
    x = 265,529.85

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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.