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Finding the Third Proportional to 118,286 and 177,253

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Solution

The third proportional to 118,286 and 177,253 is: 265,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,286 : 177,253 = 177,253 : x
  2. Step 2: Convert to fraction form
    118,286/177,253 = 177,253/x
  3. Step 3: Cross multiply
    118,286x = 177,253 × 177,253
  4. Step 4: Simplify right side
    118,286x = 31,418,626,009
  5. Step 5: Solve for x
    x = 31,418,626,009/118,286
  6. Step 6: Final answer
    x = 265,615.76

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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.