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Finding the Third Proportional to 36,658.50 and 39,756

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Solution

The third proportional to 36,658.50 and 39,756 is: 43,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.50 : 39,756 = 39,756 : x
  2. Step 2: Convert to fraction form
    36,658.50/39,756 = 39,756/x
  3. Step 3: Cross multiply
    36,658.50x = 39,756 × 39,756
  4. Step 4: Simplify right side
    36,658.50x = 1,580,539,536
  5. Step 5: Solve for x
    x = 1,580,539,536/36,658.50
  6. Step 6: Final answer
    x = 43,115.23

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.