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Finding the Third Proportional to 179,880 and 394,752

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Solution

The third proportional to 179,880 and 394,752 is: 866,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,880 : 394,752 = 394,752 : x
  2. Step 2: Convert to fraction form
    179,880/394,752 = 394,752/x
  3. Step 3: Cross multiply
    179,880x = 394,752 × 394,752
  4. Step 4: Simplify right side
    179,880x = 155,829,141,504
  5. Step 5: Solve for x
    x = 155,829,141,504/179,880
  6. Step 6: Final answer
    x = 866,294.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.