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Finding the Third Proportional to 36,296 and 78,153.50

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Solution

The third proportional to 36,296 and 78,153.50 is: 168,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,296 : 78,153.50 = 78,153.50 : x
  2. Step 2: Convert to fraction form
    36,296/78,153.50 = 78,153.50/x
  3. Step 3: Cross multiply
    36,296x = 78,153.50 × 78,153.50
  4. Step 4: Simplify right side
    36,296x = 6,107,969,562.25
  5. Step 5: Solve for x
    x = 6,107,969,562.25/36,296
  6. Step 6: Final answer
    x = 168,282.17

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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.