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Finding the Third Proportional to 176,334.50 and 379,182

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Solution

The third proportional to 176,334.50 and 379,182 is: 815,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,334.50 : 379,182 = 379,182 : x
  2. Step 2: Convert to fraction form
    176,334.50/379,182 = 379,182/x
  3. Step 3: Cross multiply
    176,334.50x = 379,182 × 379,182
  4. Step 4: Simplify right side
    176,334.50x = 143,778,989,124
  5. Step 5: Solve for x
    x = 143,778,989,124/176,334.50
  6. Step 6: Final answer
    x = 815,376.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.