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Finding the Third Proportional to 118,170.75 and 177,342

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Solution

The third proportional to 118,170.75 and 177,342 is: 266,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170.75 : 177,342 = 177,342 : x
  2. Step 2: Convert to fraction form
    118,170.75/177,342 = 177,342/x
  3. Step 3: Cross multiply
    118,170.75x = 177,342 × 177,342
  4. Step 4: Simplify right side
    118,170.75x = 31,450,184,964
  5. Step 5: Solve for x
    x = 31,450,184,964/118,170.75
  6. Step 6: Final answer
    x = 266,141.87

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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.