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Finding the Third Proportional to 79,830 and 119,756

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Solution

The third proportional to 79,830 and 119,756 is: 179,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830 : 119,756 = 119,756 : x
  2. Step 2: Convert to fraction form
    79,830/119,756 = 119,756/x
  3. Step 3: Cross multiply
    79,830x = 119,756 × 119,756
  4. Step 4: Simplify right side
    79,830x = 14,341,499,536
  5. Step 5: Solve for x
    x = 14,341,499,536/79,830
  6. Step 6: Final answer
    x = 179,650.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.