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Finding the Third Proportional to 75,310.50 and 162,285

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Solution

The third proportional to 75,310.50 and 162,285 is: 349,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.50 : 162,285 = 162,285 : x
  2. Step 2: Convert to fraction form
    75,310.50/162,285 = 162,285/x
  3. Step 3: Cross multiply
    75,310.50x = 162,285 × 162,285
  4. Step 4: Simplify right side
    75,310.50x = 26,336,421,225
  5. Step 5: Solve for x
    x = 26,336,421,225/75,310.50
  6. Step 6: Final answer
    x = 349,704.51

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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.