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Finding the Third Proportional to 115,135.50 and 177,624

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Solution

The third proportional to 115,135.50 and 177,624 is: 274,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,135.50 : 177,624 = 177,624 : x
  2. Step 2: Convert to fraction form
    115,135.50/177,624 = 177,624/x
  3. Step 3: Cross multiply
    115,135.50x = 177,624 × 177,624
  4. Step 4: Simplify right side
    115,135.50x = 31,550,285,376
  5. Step 5: Solve for x
    x = 31,550,285,376/115,135.50
  6. Step 6: Final answer
    x = 274,027.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.