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Finding the Third Proportional to 141,376.50 and 299,115

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Solution

The third proportional to 141,376.50 and 299,115 is: 632,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376.50 : 299,115 = 299,115 : x
  2. Step 2: Convert to fraction form
    141,376.50/299,115 = 299,115/x
  3. Step 3: Cross multiply
    141,376.50x = 299,115 × 299,115
  4. Step 4: Simplify right side
    141,376.50x = 89,469,783,225
  5. Step 5: Solve for x
    x = 89,469,783,225/141,376.50
  6. Step 6: Final answer
    x = 632,847.63

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.