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Finding the Third Proportional to 97,089.75 and 131,174

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Solution

The third proportional to 97,089.75 and 131,174 is: 177,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,089.75 : 131,174 = 131,174 : x
  2. Step 2: Convert to fraction form
    97,089.75/131,174 = 131,174/x
  3. Step 3: Cross multiply
    97,089.75x = 131,174 × 131,174
  4. Step 4: Simplify right side
    97,089.75x = 17,206,618,276
  5. Step 5: Solve for x
    x = 17,206,618,276/97,089.75
  6. Step 6: Final answer
    x = 177,223.84

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.