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Finding the Third Proportional to 32,149.50 and 69,228

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Solution

The third proportional to 32,149.50 and 69,228 is: 149,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,149.50 : 69,228 = 69,228 : x
  2. Step 2: Convert to fraction form
    32,149.50/69,228 = 69,228/x
  3. Step 3: Cross multiply
    32,149.50x = 69,228 × 69,228
  4. Step 4: Simplify right side
    32,149.50x = 4,792,515,984
  5. Step 5: Solve for x
    x = 4,792,515,984/32,149.50
  6. Step 6: Final answer
    x = 149,069.69

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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.