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Finding the Third Proportional to 28,969.50 and 43,698

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Solution

The third proportional to 28,969.50 and 43,698 is: 65,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.50 : 43,698 = 43,698 : x
  2. Step 2: Convert to fraction form
    28,969.50/43,698 = 43,698/x
  3. Step 3: Cross multiply
    28,969.50x = 43,698 × 43,698
  4. Step 4: Simplify right side
    28,969.50x = 1,909,515,204
  5. Step 5: Solve for x
    x = 1,909,515,204/28,969.50
  6. Step 6: Final answer
    x = 65,914.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.