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Finding the Third Proportional to 123.88 and 174

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Solution

The third proportional to 123.88 and 174 is: 244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.88 : 174 = 174 : x
  2. Step 2: Convert to fraction form
    123.88/174 = 174/x
  3. Step 3: Cross multiply
    123.88x = 174 × 174
  4. Step 4: Simplify right side
    123.88x = 30,276
  5. Step 5: Solve for x
    x = 30,276/123.88
  6. Step 6: Final answer
    x = 244.41

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.