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Finding the Third Proportional to 118,154 and 177,231

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Solution

The third proportional to 118,154 and 177,231 is: 265,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,154 : 177,231 = 177,231 : x
  2. Step 2: Convert to fraction form
    118,154/177,231 = 177,231/x
  3. Step 3: Cross multiply
    118,154x = 177,231 × 177,231
  4. Step 4: Simplify right side
    118,154x = 31,410,827,361
  5. Step 5: Solve for x
    x = 31,410,827,361/118,154
  6. Step 6: Final answer
    x = 265,846.50

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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.